How To Fix CRD_RUN302 - Error in narrowing cast: Source has wrong typing

CRD_RUN302 - Overview

• Message type: E = Error

• Message class: CRD_RUN - General Messages for CRD Runtime

• Message number: 302

• Message text: Error in narrowing cast: Source has wrong typing

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CRD_RUN302 - Error in narrowing cast: Source has wrong typing ?

  The SAP error message CRD_RUN302: Error in narrowing cast: Source has wrong typing typically occurs in the context of SAP BusinessObjects or SAP Crystal Reports when there is an issue with data type conversion or casting in a report or query. This error indicates that the system is trying to convert a data type to a more specific type, but the source data does not match the expected type.
  Causes:
  
  Data Type Mismatch: The most common cause is that the data type of the source field does not match the expected data type for the target field. For example, trying to cast a string to a number or a date to a string without proper formatting.
  Incorrect Formula: If you are using a formula in your report that involves casting or converting data types, and the formula is not correctly defined, it can lead to this error.
  Database Schema Changes: If there have been