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ustomeutomer statement showes
And your question is?
The customer statement is correct but the invoice is not. It seems the invoice is picking up a credit which does not exist. The screenshots visualise the issue
What screen shots ? - there is only one of the statement
Just looking at the statement you show, it is not possible to work out what is wrong, if indeed anything is wrong
You may see other transactions that show the error, but anyone reading your post in the forum has no idea other than you say it is wrong