Error in AR Receipts Summary Screen

Question

Hello All,
It would be great if gurus can help me resolve or understand the below scenario
My user querying in Receipts Summary Form (Receivables Responsiblity) was thrown as error when she scroll down the navigate to next record.
APP-FND-01564: oracle ERROR 1422 in FDFGVD+
Cause: FDFGVD failed due to ORA-01422: exact fetch returns more than requested number of rows+
The SQL Statement being executed at the time of the error was :+
SELECT TRX_NUMBER, TRX_NUMBER VALUE, TRX_DATE ||'............. FROM RA_CUSTOMER_TRX_ALL WHERE (COMPLETE_FLAG) = 'Y'+
AND TRX_NUMBER = :X and was executed from the file &ERRFILE.+

Answer 1

Is the issue with specific user?
Have you reviewed the doc referenced above?
Please also see these docs.
Transaction Workbench Error: FRM-40735 ON-INSERT Trigger Raised Unhandled Exception [ID 365553.1]
Transaction Workbench Error: FRM-40735 ON-UPDATE Trigger Raised Unhandled Exception [ID 781264.1]
Autoinvoice Error: ORA-1422: exact fetch returns more than requested number of rows [ID 1207707.1]
Thanks,
Hussein