SAP Message 61060 - The date & is not convertible (please correct)

61060 : The date & is not convertible (please correct)

184406Prd lot size: Order proposal in planning time fence
147325ATP: Purchase requisitions from outline agreements
865621AFS MRP (/AFS/MD02) halts with exception message no. 61060
154809ME51: Bill of material not exploded/error 61060
140151Date 00/00/0000 not convertible &update termination