What is the new behavior (if this is a feature change)?
The issue is fixed. As shown here, the data array should contain only strings. Therefore, campo keys (which caused the issue) should be represented as strings.
Does this PR introduce a breaking change? (What changes might users need to make in their application due to this PR?)
No
Please check if the PR fulfills these requirements
What kind of change does this PR introduce? (Bug fix, feature, docs update, ...) Fix
What is the current behavior? (You can also link to an open issue here) https://inpsyde.atlassian.net/browse/FAU-432
What is the new behavior (if this is a feature change)? The issue is fixed. As shown here, the data array should contain only strings. Therefore, campo keys (which caused the issue) should be represented as strings.
Does this PR introduce a breaking change? (What changes might users need to make in their application due to this PR?) No
Other information: