Watermark addon stopped working - gives no such file or directory error

[linuxhata]

Warning: imagecreatefrompng(/blablablabla/logo.png): failed to open stream: No such file or directory in /blablablabla/include/picmgmt.inc.php on line 274

and so on, all errors refer to that file is missing. But that file is on place, everything worked fine, and no one touched anything ever. What should I do? Image file is not corrupted by itself.

[Nibbler]

Support for mods is given only on the thread dealing with that mod.

[linuxhata]

I've previously searched forum for similar errors, and most results lead to this section, so I post it here. If it's possible, please move it to addon section then.

[Nibbler]

Go to the thread where you found the instructions to make this mod and post on it. Closing this now.