SAP Message PT_TMW_FLD_SEL_CUST005 - Several object IDs exist for the same screen ID

Diagnosis
Only one object ID can be assigned to one screen ID. You assigned atleast one other object ID besides object ID &v1& to the screen ID.

Procedure
Check your Customizing entries in the V_PT_GUI_CLNT_SC andV_PT_GUI_SAP_SCR views.