Message type: E = Error
Message class:  U7 - Japan-Specific Developments 
Message number: 018
Message text: MR document &1 MR reason &2 (insert opergroup &3 not poss. due to &4)
INTERNAL ERROR:
The internal meter reading document &V1& with meter reading reason &V2&
has <DS:DE.TECHGR>operand group</> &V3& in the
<DS:TRAN.E_JBP_SYST>Representative MR Reasons</> system table.
The program does not permit additional operand groups (&V4& ) at this
point.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
INCLUDE ISU_SAP OBJECT DOKU ID TX
<LS>Note:</>
Verify that meter reading &V1& is really required. If the meter reading
document number has not yet been saved, then it refers to the meter
reading that you currently have to enter.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message U7018 typically occurs in the context of Material Requirements Planning (MRP) or when processing material documents. This error indicates that there is an issue with inserting an operation group due to certain constraints or conditions that are not met.
Cause: The error message U7018 can be triggered by several factors, including: Invalid Operation Group: The operation group specified in the document may not be valid or may not exist in the system. Missing Configuration: The configuration for the operation group may not be set up correctly in the system. Authorization Issues: The user may not have the necessary authorizations to perform the operation related to the operation group. Data Inconsistencies: There may be inconsistencies in the data related to the material document or the operation group. Business Rules: Certain business rules or validations may prevent the operation group from being inserted.
Solution: To resolve the U7018 error, you can take the following steps: Check Operation Group:
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