Warning: Missing Line Detected: correcting buffer usage - Repetier

I get this warning with every command I do when connected with my printer. I get two of these warnings just connecting my printer.

repetier V2.1.3 Issue- Communication tImeout -Reset Send buffer block

Warning: Missing Line Detected: correcting buffer usage - Repetier-Forum

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repetier V2.1.3 Issue- Communication tImeout -Reset Send buffer block