Error during Export: Mimetype not currently mapped: 'image/bmp'

I’m guessing it has something to do with the Project Image I set for one of the projects. After resetting all my project images, the export went ahead just fine.

Full error:
Beginning database upgrade
Fetching list of already executed scripts.
No new scripts need to be executed - completing.
Migrator assembly version 3.2.19+Branch.master.Sha.ab644ee12ada37fda9e736cd1d805d7c3cc8d1a3
Exporting to 'C:\temp\Octopus Export’
Created C:\temp\Octopus Export\metadata.json
Created C:\temp\Octopus Export\Teams\Octopus Administrators.json
Created C:\temp\Octopus Export\Teams\Everyone.json
Created C:\temp\Octopus Export\Users\sa.json
Created C:\temp\Octopus Export\Users\guest.json
Created C:\temp\Octopus Export\Certificates\CN=Octopus Portal.json
Created C:\temp\Octopus Export\Environments\i2020-octopus.json
Created C:\temp\Octopus Export\Feeds\Octopus Server (built-in).json
Created C:\temp\Octopus Export\Feeds\CRM - Internal.json
Created C:\temp\Octopus Export\Lifecycles\Default Lifecycle.json
Created C:\temp\Octopus Export\Machines\i2020-maningen.json
Created C:\temp\Octopus Export\Machines\ServerTentacle.json
Created C:\temp\Octopus Export\Machines\Frontend-Files.json
Created C:\temp\Octopus Export\ProjectGroups\All Projects.json
Created C:\temp\Octopus Export\UserRoles\Environment manager.json
Created C:\temp\Octopus Export\UserRoles\Environment viewer.json
Created C:\temp\Octopus Export\UserRoles\Package publisher.json
Created C:\temp\Octopus Export\UserRoles\Project contributor.json
Created C:\temp\Octopus Export\UserRoles\Project deployer.json
Created C:\temp\Octopus Export\UserRoles\Project initiator.json
Created C:\temp\Octopus Export\UserRoles\Project lead.json
Created C:\temp\Octopus Export\UserRoles\Project viewer.json
Created C:\temp\Octopus Export\UserRoles\System administrator.json
Created C:\temp\Octopus Export\Accounts\Bizspark.json
Created C:\temp\Octopus Export\Accounts\MP.json
Created C:\temp\Octopus Export\Events\Events-1.json
Created C:\temp\Octopus Export\Events\Events-100.json
Created C:\temp\Octopus Export\Events\Events-101.json
Created C:\temp\Octopus Export\Events\Events-120.json
Created C:\temp\Octopus Export\Events\Events-121.json
Created C:\temp\Octopus Export\Events\Events-122.json
Created C:\temp\Octopus Export\Events\Events-123.json
Created C:\temp\Octopus Export\Events\Events-124.json
Created C:\temp\Octopus Export\Events\Events-125.json
Created C:\temp\Octopus Export\Events\Events-126.json
Created C:\temp\Octopus Export\Events\Events-127.json
Created C:\temp\Octopus Export\Events\Events-128.json
Created C:\temp\Octopus Export\Events\Events-129.json
Created C:\temp\Octopus Export\Events\Events-130.json
Created C:\temp\Octopus Export\Events\Events-131.json
Created C:\temp\Octopus Export\Events\Events-132.json
Created C:\temp\Octopus Export\Events\Events-133.json
Created C:\temp\Octopus Export\Events\Events-134.json
Created C:\temp\Octopus Export\Events\Events-135.json
Created C:\temp\Octopus Export\Events\Events-136.json
Created C:\temp\Octopus Export\Events\Events-137.json
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Created C:\temp\Octopus Export\Events\Events-140.json
Created C:\temp\Octopus Export\Events\Events-141.json
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Created C:\temp\Octopus Export\Events\Events-145.json
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Created C:\temp\Octopus Export\Events\Events-150.json
Created C:\temp\Octopus Export\Events\Events-151.json
Created C:\temp\Octopus Export\Events\Events-152.json
Created C:\temp\Octopus Export\Events\Events-153.json
Created C:\temp\Octopus Export\Events\Events-154.json
Created C:\temp\Octopus Export\Events\Events-155.json
Created C:\temp\Octopus Export\Events\Events-156.json
Created C:\temp\Octopus Export\Events\Events-157.json
Created C:\temp\Octopus Export\Events\Events-158.json
Created C:\temp\Octopus Export\Events\Events-159.json
Created C:\temp\Octopus Export\Events\Events-160.json
Created C:\temp\Octopus Export\Events\Events-161.json
Created C:\temp\Octopus Export\Events\Events-162.json
Created C:\temp\Octopus Export\Events\Events-163.json
Created C:\temp\Octopus Export\Events\Events-164.json
Created C:\temp\Octopus Export\Events\Events-165.json
Created C:\temp\Octopus Export\Events\Events-166.json
Created C:\temp\Octopus Export\Events\Events-167.json
Created C:\temp\Octopus Export\Events\Events-168.json
Created C:\temp\Octopus Export\Events\Events-169.json
Created C:\temp\Octopus Export\Events\Events-170.json
Created C:\temp\Octopus Export\Events\Events-171.json
Created C:\temp\Octopus Export\Events\Events-172.json
Created C:\temp\Octopus Export\Events\Events-173.json
Created C:\temp\Octopus Export\Events\Events-174.json
Created C:\temp\Octopus Export\Events\Events-175.json
Created C:\temp\Octopus Export\Events\Events-176.json
Created C:\temp\Octopus Export\Events\Events-177.json
Created C:\temp\Octopus Export\Events\Events-178.json
Created C:\temp\Octopus Export\Events\Events-179.json
Created C:\temp\Octopus Export\Events\Events-180.json
Created C:\temp\Octopus Export\Events\Events-181.json
Created C:\temp\Octopus Export\Events\Events-182.json
Created C:\temp\Octopus Export\Events\Events-183.json
Created C:\temp\Octopus Export\Events\Events-184.json
Created C:\temp\Octopus Export\Events\Events-185.json
Created C:\temp\Octopus Export\Events\Events-186.json
Created C:\temp\Octopus Export\Events\Events-187.json
Created C:\temp\Octopus Export\Events\Events-188.json
Created C:\temp\Octopus Export\Events\Events-189.json
Created C:\temp\Octopus Export\Events\Events-190.json
Created C:\temp\Octopus Export\Events\Events-191.json
Created C:\temp\Octopus Export\Events\Events-192.json
Created C:\temp\Octopus Export\Events\Events-193.json
Created C:\temp\Octopus Export\Events\Events-194.json
Created C:\temp\Octopus Export\Events\Events-195.json
Created C:\temp\Octopus Export\Events\Events-196.json
Created C:\temp\Octopus Export\Events\Events-197.json
Created C:\temp\Octopus Export\Events\Events-198.json
Created C:\temp\Octopus Export\Events\Events-199.json
Created C:\temp\Octopus Export\Events\Events-2.json
Created C:\temp\Octopus Export\Events\Events-20.json
Created C:\temp\Octopus Export\Events\Events-200.json
Created C:\temp\Octopus Export\Events\Events-201.json
Created C:\temp\Octopus Export\Events\Events-202.json
Created C:\temp\Octopus Export\Events\Events-203.json
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Created C:\temp\Octopus Export\Events\Events-205.json
Created C:\temp\Octopus Export\Events\Events-206.json
Created C:\temp\Octopus Export\Events\Events-207.json
Created C:\temp\Octopus Export\Events\Events-208.json
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Created C:\temp\Octopus Export\Events\Events-21.json
Created C:\temp\Octopus Export\Events\Events-210.json
Created C:\temp\Octopus Export\Events\Events-211.json
Created C:\temp\Octopus Export\Events\Events-212.json
Created C:\temp\Octopus Export\Events\Events-213.json
Created C:\temp\Octopus Export\Events\Events-214.json
Created C:\temp\Octopus Export\Events\Events-215.json
Created C:\temp\Octopus Export\Events\Events-216.json
Created C:\temp\Octopus Export\Events\Events-217.json
Created C:\temp\Octopus Export\Events\Events-218.json
Created C:\temp\Octopus Export\Events\Events-219.json
Created C:\temp\Octopus Export\Events\Events-22.json
Created C:\temp\Octopus Export\Events\Events-220.json
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Created C:\temp\Octopus Export\Events\Events-222.json
Created C:\temp\Octopus Export\Events\Events-223.json
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Created C:\temp\Octopus Export\Events\Events-23.json
Created C:\temp\Octopus Export\Events\Events-230.json
Created C:\temp\Octopus Export\Events\Events-231.json
Created C:\temp\Octopus Export\Events\Events-232.json
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Created C:\temp\Octopus Export\Events\Events-235.json
Created C:\temp\Octopus Export\Events\Events-236.json
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Created C:\temp\Octopus Export\Events\Events-240.json
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Created C:\temp\Octopus Export\Events\Events-244.json
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Created C:\temp\Octopus Export\Events\Events-250.json
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Created C:\temp\Octopus Export\Events\Events-64.json
Created C:\temp\Octopus Export\Events\Events-80.json
Created C:\temp\Octopus Export\Events\Events-81.json
Created C:\temp\Octopus Export\Events\Events-82.json
Created C:\temp\Octopus Export\ServerTasks\ServerTasks-1330.json
Created C:\temp\Octopus Export\ServerTasks\ServerTasks-1334.json
Created C:\temp\Octopus Export\ServerTasks\ServerTasks-1335.json
Created C:\temp\Octopus Export\ServerTasks\ServerTasks-1336.json
Created C:\temp\Octopus Export\ServerTasks\ServerTasks-1338.json
Created C:\temp\Octopus Export\ServerTasks\ServerTasks-1339.json
Created C:\temp\Octopus Export\ServerTasks\ServerTasks-1340.json
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Created C:\temp\Octopus Export\ServerTasks\ServerTasks-1344.json
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Created C:\temp\Octopus Export\ServerTasks\ServerTasks-1348.json
Created C:\temp\Octopus Export\ServerTasks\ServerTasks-1349.json
Created C:\temp\Octopus Export\ServerTasks\ServerTasks-1350.json
Created C:\temp\Octopus Export\ServerTasks\ServerTasks-1352.json
Created C:\temp\Octopus Export\ServerTasks\ServerTasks-1353.json
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Created C:\temp\Octopus Export\ServerTasks\ServerTasks-1355.json
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Created C:\temp\Octopus Export\ServerTasks\ServerTasks-1358.json
Created C:\temp\Octopus Export\ServerTasks\ServerTasks-1359.json
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Created C:\temp\Octopus Export\ServerTasks\ServerTasks-1362.json
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Created C:\temp\Octopus Export\ServerTasks\ServerTasks-1382.json
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Created C:\temp\Octopus Export\ServerTasks\ServerTasks-1401.json
Created C:\temp\Octopus Export\ServerTasks\ServerTasks-1421.json
Created C:\temp\Octopus Export\ServerTasks\ServerTasks-1422.json
Created C:\temp\Octopus Export\ServerTasks\ServerTasks-1423.json
Created C:\temp\Octopus Export\ServerTasks\ServerTasks-1424.json
Created C:\temp\Octopus Export\ServerTasks\ServerTasks-1425.json
Created C:\temp\Octopus Export\ServerTasks\ServerTasks-1426.json
Created C:\temp\Octopus Export\ServerTasks\ServerTasks-1427.json
Created C:\temp\Octopus Export\ServerTasks\ServerTasks-1428.json
Created C:\temp\Octopus Export\ServerTasks\ServerTasks-1429.json
Created C:\temp\Octopus Export\ServerTasks\ServerTasks-1430.json
Created C:\temp\Octopus Export\ApiKeys\apikeys-02mRLWlmwurGeoIAWXhI3EaqGsw.json
Created C:\temp\Octopus Export\ApiKeys\apikeys-EczHp8VsEX5sauVVLs8asZJEA8.json
Created C:\temp\Octopus Export\ApiKeys\apikeys-hn2z09PHedsuLD9X0kdtAUl08.json
Created C:\temp\Octopus Export\Projects[Octopus] I2020[Octopus] I2020.json

Error: Mimetype not currently mapped: ‘image/bmp’

Full error details are available in the log files.
At: C:\Octopus\Logs

Mimetype not currently mapped: 'image/bmp’
System.Exception: Mimetype not currently mapped: 'image/bmp’
at Octopus.Shared.Util.MimeType.ToExtension(String mimeType) in Y:\work\refs\tags\3.2.19\source\Octopus.Shared\Util\MimeTypes.cs:line 41
at Octopus.Core.Model.Projects.Project.<get_AttachmentReferences>d__74.MoveNext() in Y:\work\refs\tags\3.2.19\source\Octopus.Core\Model\Projects\Project.cs:line 74
at Octopus.Migrator.ExportProcess.ExportController.ExportAttachments(IId obj) in Y:\work\refs\tags\3.2.19\source\Octopus.Migrator\ExportProcess\ExportController.cs:line 476
at Octopus.Migrator.ExportProcess.ExportController.WriteFile(String directory, String filename, IId obj) in Y:\work\refs\tags\3.2.19\source\Octopus.Migrator\ExportProcess\ExportController.cs:line 450
at Octopus.Migrator.ExportProcess.ExportController.WriteProjects(ExportContext context) in Y:\work\refs\tags\3.2.19\source\Octopus.Migrator\ExportProcess\ExportController.cs:line 310
at Octopus.Migrator.ExportProcess.ExportController.Export() in Y:\work\refs\tags\3.2.19\source\Octopus.Migrator\ExportProcess\ExportController.cs:line 92
at Octopus.Shared.Startup.AbstractCommand.Octopus.Shared.Startup.ICommand.Start(String[] commandLineArguments, ICommandRuntime commandRuntime, OptionSet commonOptions) in Y:\work\refs\tags\3.2.19\source\Octopus.Shared\Startup\AbstractCommand.cs:line 58
at Octopus.Shared.Startup.ConsoleHost.Run(Action`1 start, Action shutdown) in Y:\work\refs\tags\3.2.19\source\Octopus.Shared\Startup\ConsoleHost.cs:line 72
at Octopus.Shared.Startup.OctopusProgram.Run() in Y:\work\refs\tags\3.2.19\source\Octopus.Shared\Startup\OctopusProgram.cs:line 87
Error: The previous command returned a non-zero exit code of: 100
Error: The command that failed was: “C:\Program Files\Octopus Deploy\Octopus\Octopus.Migrator.exe” export --instance “OctopusServer” --directory “C:\temp\Octopus Export” --password “xxxxxx”

Hi,

Thanks for reaching out. It is indeed related to the image format. We only support png,jpg and gif for the export at the moment. Created ticket to add bmp support: https://github.com/OctopusDeploy/Issues/issues/2324

Regards,
Dalmiro