LBF Form not printing

Situation
After entering data in form and when trying to savd and print option, it displays a blank page saying

==

This page isn’t working right now

jhcxzccl.in can’t currently handle this request.

HTTP ERROR 500

Refresh

i am using LBF form to print pt prescription.

OpenEMR Version
I’m using OpenEMR version

Browser:
I’m using:

Operating System
I’m using:

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Logs
Did you check the logs?
Was there anything pertinent in them?
Please paste them here (surround with three backticks (```) for readability.
You can also turn on User Debugging under Administration->Globals->Logging User Debugging Options=>All

Were you able to check the logs? If you are using Ubuntu, the logs are in /var/log/apache2/error.log or they are in the log file specified by your apache config file.