Webservices error after latest update

All of our webservices are crashing with the following error;

“error”: {
“code”: “BadRequest_InvalidArgument”,
“message”: “A property definition already exists for Job_List.Percent_Invoiced.”

This error is occurring on ALL webservices whether they’re standard Microsoft ones OR custom generated. This is across ALL production and sandbox environments and has only started happening since the latest update to version 20.4.44313.44365 of Business Central

This issue is affecting key integrations within the business