Troubleshooting Tip: How to solve a custom Jinja function execution error

[nmathur]

Description	This article decribes the issue when running a custom Jinja function in FortiSOAR release 7.5.0, the following error is thrown: 'Argument 'v1' has incorrect type (expected str, got NoneType)'.
Scope	FortiSOAR v7.5.0.
Solution	Step 1: Download and unzip the 'util_so.zip' file attached to this article to the FortiSOAR instance. This file contains the 'util.so' file.  Step 2: Take a backup of the existing util.so file: cp /opt/cyops-workflow/sealab/utility/util.so / Step 3: Copy the downloaded util.so file to the same location: cp util.so /opt/cyops-workflow/sealab/utility/ Step 4: Check the permissions of the util.so file: ls -al /opt/cyops-workflow/sealab/utility/util.so The permissions should be 'nginx:nginx'. If the permissions are set to different a user, change the permissions: chown nginx:nginx /opt/cyops-workflow/sealab/utility/util.so Step 5: Restart the workflow service: systemctl restart uwsgi celeryd