How To Fix PQ618 - Error delimiting time constraint 1

SAP Error Message - Details

• Message type: E = Error

• Message class: PQ - HR-PD: Personnel Development

• Message number: 618

• Message text: Error delimiting time constraint 1

What causes this issue?

If time constraint 1 is used for an object, then one valid data record
(and only one) must exist at a given time. Possible causes:
Two validity periods that overlap
A period during which the object is not valid

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check over, and correct the object's validity periods.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PQ618 - Error delimiting time constraint 1 ?

  The SAP error message PQ618, which states "Error delimiting time constraint 1," typically occurs in the context of production planning and control, particularly when dealing with the scheduling of operations or resources in a production order or a routing.
  Cause:
  The error is generally caused by issues related to the time constraints defined for a particular operation or resource. This can happen due to:
  
  Incorrect Time Constraints: The time constraints for the operation may not be defined correctly, leading to conflicts in scheduling.
  Missing or Incorrect Validity Period: The validity period for the time constraint may not be set properly, or the dates may not align with the production schedule.
  Resource Availability: The resource (machine, labor, etc.) may not be available during the specified time frame, causing a conflict.
  Configuration Issues: There may be configuration issues in the production planning settings that affect how time constraints are interpreted.
  
  Solution:
  To resolve the PQ618 error, you can take the following steps:
  
  
  Check Time Constraints: Review the time constraints defined for the operation or resource in question. Ensure that they are set correctly and do not conflict with other constraints.
  
  
  Validate Validity Period: Ensure that the validity period for the time constraint is correctly defined and that it aligns with the production order dates.
  
  
  Resource Availability: Check the availability of the resources involved in the operation. Make sure that they are scheduled correctly and are available during the required time frame.
  
  
  Review Configuration: If the issue persists, review the configuration settings in the production planning module. Ensure that all settings related to time constraints are correctly configured.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the PQ618 error and related time constraint settings.
  
  
  Testing: After making changes, test the scheduling again to see if the error is resolved.
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like CO01 (Create Production Order), CO02 (Change Production Order), or C223 (Define Operation) to access and modify the relevant settings.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with an SAP expert who specializes in production planning.
  
  By following these steps, you should be able to identify and resolve the cause of the PQ618 error in your SAP system.