AWS Mainframe Modernization Service (Managed Runtime Environment experience) is no longer open to new customers. For capabilities similar to AWS Mainframe Modernization Service (Managed Runtime Environment experience) explore AWS Mainframe Modernization Service (Self-Managed Experience). Existing customers can continue to use the service as normal. For more information, see [AWS Mainframe Modernization availability change](https://docs.aws.amazon.com/m2/latest/userguide/mainframe-modernization-availability-change.html).

# AWS Transform for mainframe Runtime Error Codes related to Batches
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Batches error codes, prefixed with `BA-C`.


| Key | Severity | Text | Additional details | 
| --- | --- | --- | --- | 
| BA-C1010 | Warn | Job script context is null, checkpoint will proceed without script context. |  | 
| BA-C1011 | Warn | Job script context does not implement Serializable, checkpoint will proceed without script context. |  |