Open the COBOL source in the local folder and check the contents of the COPYBOOK.
The COPYBOOK resides in the mainframe data set.
When update that COPYBOOK on the mainframe side, its contents are not refreshed in real time.
OS : z/OS
Release : ALL
The COPYBOOK copied in the local folder must be replaced.
To refresh the COPYBOOKs, press F1 and run the ”Clear downloaded copybooks" command.
This command clears the global storage folder so that COPYBOOKs are downloaded again from the mainframe.
For more information, please check the documents.