On this page, you will find more information about the most common causes and most relevant solutions for the Skype error '5 - Search CALLS: invalid target'. Do you need help straight away? Visit our support page.
The Microsoft Corporation documentation indicates that error code '5 - Search CALLS: invalid target' is caused by the following problem: "You used a non-permitted character, such as a number (i.e., tic-tac-toe sign).".
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