Receive FRM-92101 when calling hr_sit_api.update_site from POST_UPDATE proc

Hi, I need to update an SIT when the supervisor changes on the person's assignment. When I make the change in the form either as an UPDATE or CORRECTION, I am receiving: FRM-92101: There was a failure in the Forms Server during startup. This could happen due to invalid configuration. Please look into the web-server log file for details.

When I call the api from the backend and pass in the parameters, it updates fine, but when it's called from the pll, I get the error.

I am working in a custom pll for PERWSHRG, in the post_update proc. I am calling the api like so: