Hexadecimal value 0x0B, is an invalid character

hexadecimal value 0x0B, is an invalid character.

How can i solve this?

I have tried to replace it with chr(11) , but it dont work.

Please help me!

the context of where it is used/applies is missing. Maybe youe can elaborate on it.

Depending on what you are doing check alternate representations like:

Are you dealing with a tab / vertical tab in your sceanrio?