How To Fix C1305 - Length of exponent must be 4. Example: E-__

SAP Error Message - Details

• Message type: E = Error

• Message class: C1 - Characteristics maintenance messages

• Message number: 305

• Message text: Length of exponent must be 4. Example: E-__

What causes this issue?

You have tried to define an exponent of incorrect length in a template
defined as numeric.

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?

An exponent must always be defined with length 4.
Example: E-__

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message C1305 - Length of exponent must be 4. Example: E-__ ?

  The SAP error message C1305, which states "Length of exponent must be 4. Example: E-__," typically occurs when dealing with numeric fields that require a specific format for scientific notation. This error is often encountered in contexts where floating-point numbers are being processed, such as in data imports, exports, or calculations.
  Cause:
  The error arises when the exponent part of a number in scientific notation does not conform to the expected format. In SAP, the exponent must be exactly four characters long, which includes the letter 'E' or 'e', the sign (either '+' or '-'), and the two-digit exponent value. For example, a valid exponent would look like E+01 or E-10. If the exponent is shorter or longer than this, or if it does not follow the correct format, the error will be triggered.
  Solution:
  To resolve this error, you should ensure that any numeric values being processed conform to the required format. Here are some steps you can take:
  
  
  Check Data Input: Review the data being input into the system. Ensure that any numbers in scientific notation are formatted correctly with a four-character exponent.
  
  
  Data Transformation: If you are importing data from an external source (like a CSV file), you may need to preprocess the data to ensure that all scientific notation is correctly formatted before importing it into SAP.
  
  
  Adjust Code Logic: If this error is occurring in custom ABAP code or during data processing, review the logic to ensure that it correctly formats numbers in scientific notation. You may need to add checks or transformations to ensure compliance with the expected format.
  
  
  Testing: After making changes, test the input again to ensure that the error no longer occurs.
  
  
  Related Information:
  
  SAP Documentation: Refer to the SAP Help Portal or relevant documentation for more details on numeric formats and data types.
  Data Types: Familiarize yourself with the data types used in SAP, especially those related to floating-point numbers and their representations.
  Debugging: If you are working with custom code, use debugging tools in SAP to trace where the error is occurring and inspect the values being processed.
  
  By ensuring that the exponent is always formatted as required, you can prevent the C1305 error from occurring in your SAP environment.