Operands are not compatible

[Guest.Visitor]

You have an extra '+' .

[Guest.Visitor]

Operands are not compatible

I have built a message text before with numeric fields in it. But on a new program I am getting an error, and don't know why. If anyone could help I would appreciate it. The error is on line 190. The message is RNF7421 Operands are not compatible

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Code

[Guest.Visitor]

Operands are not compatible

Thanks for finding it for me!