Production Journal Form - Error while opening

Entry Type must not be changed when a quantity is reserved in Item Journal Line Journal Template Name=‘PROD.ORDER’,Journal Batch Name=‘A’,Line No.=‘23920000’.

Regards

Pradeep K

I am geeting error while opening Produciton Journal

“Entry Type must not be changed when a quantity is reserved in Item Journal Line Journal Template Name=‘PROD.ORDER’,Journal Batch Name=‘A’,Line No.=‘23920000’.”

Please suggest how to solve this error.

Regards

Pradeep K