How To Fix JA101 - Last character is not numeric or is part of structure indicator

SAP Error Message - Details

• Message type: E = Error

• Message class: JA - Central error messages, project system

• Message number: 101

• Message text: Last character is not numeric or is part of structure indicator

What causes this issue?

The start or finish value you entered does not end with numbers. The
system searches for an open number by adding up the last section of the
number. Therefore, the last section that does not belong to the
structure indicator must end in numbers.

System Response

INCLUDE 'NA_ALLG_NOVERARBEITUNG' OBJECT DOKU ID TX

How to fix this error?

Correct your entry.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message JA101 - Last character is not numeric or is part of structure indicator ?

  The SAP error message JA101, which states "Last character is not numeric or is part of structure indicator," typically occurs in the context of working with certain data fields in SAP, particularly when dealing with account numbers, cost centers, or other identifiers that have specific formatting requirements.
  Cause:
  
  Incorrect Format: The last character of the input string does not conform to the expected format. For example, if the system expects a numeric character (0-9) but receives an alphabetic character or a special character, this error will be triggered.
  Structure Indicator: The last character may be part of a structure indicator that is not valid for the context in which it is being used. Structure indicators are often used in SAP to denote specific types of data or formats.
  Data Entry Error: There may have been a typographical error during data entry, leading to an invalid character being included in the input.
  
  Solution:
  
  Check Input Format: Review the input data to ensure that the last character is numeric and adheres to the expected format. If the field is supposed to end with a number, make sure it does.
  Correct Structure Indicators: If the last character is meant to be a structure indicator, verify that it is valid for the specific context. Refer to the SAP documentation or consult with your SAP administrator to understand the valid structure indicators for the field in question.
  Data Validation: Implement data validation checks before submitting the data to SAP. This can help catch errors before they trigger system messages.
  Consult Documentation: Check the relevant SAP documentation or help files for the specific transaction or module you are working with to understand the expected formats and any constraints on the data.
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes depending on the context (e.g., creating or modifying master data).
  Field Lengths and Types: Review the field definitions in the data dictionary (SE11) to understand the expected data types and lengths.
  SAP Notes: Search for SAP Notes related to this error message for any patches or updates that may address known issues.
  User Exits and BAdIs: If you are working with custom developments, check if there are any user exits or BAdIs that might be affecting the data processing.
  
  If the issue persists after checking the above points, it may be beneficial to reach out to your SAP support team or consult with an SAP expert for further assistance.