Error occurs during upload of Installation Manager package

When you attempt to upload an Installation Manager package, the upload fails.

Symptoms

When you attempt to upload an Installation Manager package, you see the message: IOError: Internal Installation Manager Repository is in use. Try again later.

Explanation

Only one Installation Manager instance can run at a time. When the Installation Manager is running, an .imlock file is generated under the Agent Data directory.

Resolving the problem

Wait for the other Installation Manager process to complete and then try the upload again.