Exception: Failed to locate a valid Confuser in the Assembly

[jamsshhayd]

Whenever I drag my obfuscated .exe file the Exception Comes that the program has failed to locate a valid confuser signature. Here's a screenshot of what it looks like

[mayank-budhiraja]

Same problem

[HardMode2015]

same problem

Anti tamper needs to be removed first

[ares1974]

same problem for me