How To Fix ICA93021 - SUBSTRING Function

SAP Error Message - Details

• Message type: E = Error

• Message class: ICA93 - ICA Document Converter Field Function Long Text Messages

• Message number: 021

• Message text: SUBSTRING Function

Returns a substring by extracting the specified number of characters
from the value of a string field, counting from the 'Start' index.
&PARAMETERS&
1. <LS>String Field</>: A field from which the value is extracted. By
default, it is the assigned field.
2. <LS>Start Position</>: Index of the first character to be included in
the returned substring.
If start is a positive number, the index counts from the start of the
string.
If start is a negative number, the index counts from the end of the
string.
3. <LS>Start Position</>: The number of characters to be extracted. If
length is 0, it extracts characters to the end of the string.

How can this happen?

The field <LS>SGTXT </>(<LS>Item Text</>) has the value<LB>
</>'AB1234567890'.
When it's set to SUBSTRING (SGTXT, 2, 10), the value '1234567890' is
returned.
When it's set to SUBSTRING (SGTXT, 2, 0), the value '1234567890' is
returned.
When it's set to SUBSTRING (SGTXT, -10, 10), the value '1234567890' is
returned.
When it's set to SUBSTRING (SGTXT, -10, 0), the value '1234567890' is
returned.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ICA93021 - SUBSTRING Function ?

  The SAP error message ICA93021 related to the SUBSTRING function typically indicates that there is an issue with the parameters being passed to the function. This error can occur in various contexts, such as when working with ABAP code, SQL queries, or other data manipulation scenarios within SAP systems.
  Cause:
  The ICA93021 error usually arises due to one of the following reasons:
  
  Invalid Parameters: The parameters provided to the SUBSTRING function may be out of range or not valid. For example, if the starting position or length specified is greater than the length of the string.
  Data Type Mismatch: The data type of the input string or the parameters may not be compatible with what the SUBSTRING function expects.
  Empty Strings: Attempting to perform a substring operation on an empty string can also lead to this error.
  
  Solution:
  To resolve the ICA93021 error, consider the following steps:
  
  Check Parameters: Ensure that the starting position and length parameters are within the valid range. The starting position should be greater than zero and less than or equal to the length of the string.
  Validate Data Types: Make sure that the input string and the parameters are of the correct data types. For example, if the function expects a character string, ensure that you are not passing a numeric or other incompatible type.
  Handle Empty Strings: Before calling the SUBSTRING function, check if the string is empty. If it is, handle this case appropriately to avoid the error.
  Debugging: If you are working in ABAP, use debugging tools to step through the code and inspect the values being passed to the SUBSTRING function.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for the SUBSTRING function to understand its syntax and usage.
  ABAP Programming Guidelines: If you are working with ABAP, consult the programming guidelines for best practices in string manipulation.
  Community Forums: Check SAP community forums or support channels for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify and resolve the cause of the ICA93021 error related to the SUBSTRING function in SAP.