2978327 - Error during TID to GUID conversion in RFC call

You are using Process Integration (PI) or Process Orchestration (PO) and some RFC calls fail due to the below error:
Verarbeitungsfehler verursacht durch: java.lang.Exception: error during TID to GUID conversion: com.sap.aii.af.lib.rfc.guid.GuidConversionException: Character (/) on position XX not allowed in a character XX GUID

• PI Release Independent
• SAP NetWeaver
• SAP Process Integration

Process Integration 7.0, PI 7.0, PI 7.01, PI 7.02, Process Integration 7.10, PI 7.10, Process Integration 7.11, PI 7.11, Process Integration 7.30, PI 7.30, Process Integration 7.31, PI 7.31, Process Orchestration 7.40, PI 7.40, PO 7.40, Process Orchestration 7.50, PI/PO 7.50, NetWeaver, XI, Remote Function Call, backend, R/3, ECC, SMGW, Adapter Engine, Integration Engine, communication channel, TID, GUID , KBA , BC-XI-CON-RFC , RFC Adapter , Problem