Summary

When copying the description field to a custom field using a post function, the error We can't create this issue for you right now, it could be due to unsupported content you've entered into one or more of the issue fields. If this situation persists, contact your administrator as they'll be able to access more specific information in the log file. Is shown in the UI.

Steps to Reproduce

1. Create a custom field with multi line text
2. Create a post function in a workflow to copy from the Description field to the custom field
3. Execute workflow

Expected Results

Description field content is copied to the custom field.

Actual Results

The error We can't create this issue for you right now, it could be due to unsupported content you've entered into one or more of the issue fields. If this situation persists, contact your administrator as they'll be able to access more specific information in the log file. Is shown in the UI.

Log files show:

Unable to copy value from field 'Description' to 'Custom Field Name'.	

Note

This same behaviour also occurs with Select list custom fields and possibly other fields types.

logger:	 com.atlassian.jira.workflow.function.issue.CopyValueFromOtherFieldPostFunction

Workaround

None at this time.