How To Fix JAM_OL017 - Problem when transforming from/to JSON

JAM_OL017 - Overview

• Message type: E = Error

• Message class: JAM_OL - SAP JAM: Message from object layer

• Message number: 017

• Message text: Problem when transforming from/to JSON

What causes this issue?

The system has an issue with a JSON transformation.

System Response

The current transformation is aborted.

How to fix this error?

There are two possible reasons:
The system does not have the required kernel patch level.
There is a programming error. The input for the JSON transformation is
not provided properly by the given application.

Procedure for System Administrators

If the kernel patch level is not correct, see SAP note 1648418 <LS>JSON
Support in ABAP with 7.20 kernel</>.
If the kernel patch level is correct, contact SAP. Open a ticket at SAP
Support for the given application component.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message JAM_OL017 - Problem when transforming from/to JSON ?

  The SAP error message JAM_OL017, which indicates a problem when transforming from/to JSON, typically arises in the context of SAP systems that utilize JSON for data interchange, such as SAP Gateway or SAP Cloud Platform. This error can occur due to various reasons, including issues with the data structure, incorrect mappings, or serialization/deserialization problems.
  Causes:
  
  Invalid JSON Structure: The JSON data being processed may not conform to the expected structure, leading to parsing errors.
  Data Type Mismatches: There may be discrepancies between the data types defined in the SAP system and those present in the JSON payload.
  Missing Required Fields: If the JSON data is missing required fields that the SAP system expects, it can lead to transformation errors.
  Encoding Issues: Problems with character encoding (e.g., UTF-8) can cause issues when processing JSON data.
  Incorrect Mapping: If the mapping between the JSON fields and the SAP data model is incorrect, it can lead to transformation failures.
  
  Solutions:
  
  Validate