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If editable risk custom fields are assigned to an issue screen . The the app tries to set the custom fields impact and probability of the custom fields when the risk is changedvalues. Below error message is shown if the custom fields values are not matching the issue risk matrix values. There are two ways to remove this error message.
Option 1: In global settings->custom fields. Remove the editable custom fields from the risk issue project issue screens. With this the app is not trying to write risk values to the custom fields
Option 2: The issue project risk register is not assigned to the editable risk custom fields risk model. So assign the risk register to the risk model (more info)
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