Square Error: Square Authorization Failed - invalid value for parameter "location_id"

This can occur for a variety of reasons. Most typically it is when the current Location Id on POS Settings is not authorized for the last Square Authorization that was performed.

Try re-authorizing Square, after checking you have internet and your Location Id is valid (on POS Settings).

Fix Square Authorization Failed Error: Invalid Location ID | SuiteRetail Support

Square Error: Square Authorization Failed - invalid value for parameter "location_id"

SuitePOS Settings - Authorize Square