Hi, 1. I found the 'account servicing' bank reference field in the file. 2. You can check this blog https://fernitudela.dev/2024/01/15/d365fo-ger-error-while-evaluating-expression/ , which provides examples and explanations for this type of common errors. Usually, you need to analyze your configuration in the model mapping to the node mentioned in the error to find the specific cause.
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