CRRZI0644W An error occurred while attempting to obtain a file lock. The file `{0}` will be opened in read-only mode. Disconnect and reconnect all z/OS® remote systems.

ExplanationAn edit request was submitted for a locked file. The
file can be opened for read-only access, but it cannot be edited.

User responseYou can continue to browse the file in read-only
mode, but to correct the file lock problem you need to reconnect to
the remote system.

CRRZI0644W An error occurred while attempting to obtain a file lock. The file {0} will be opened in read-only mode. Disconnect and reconnect all z/OS® remote systems.