Android deployment failed

It used to packaged well and stopped for no significant reason. The error I get is:

ERROR: System.ArgumentException: Attempt to construct staged filesystem reference from absolute path (/Textures/Stick.uexp). Staged paths are always relative to the staging root.

I tried to rename that asset, delete it, move it to another directory and ignore Texture folder when cooking, nothing helps. I also tried refreshing project files and rebuilding the editor.

For some reason I can’t upload log file. log

It fails at this part:

            StagedFileSystemReference(String InName)
            {
             ...
	if (Name.Length >= 2 && (Name[1] == ':' || Name[0] == '/'))
	{
		throw new ArgumentException(String.Format("Attempt to construct staged filesystem reference from absolute path ({0}). Staged paths are always relative to the staging root.", InName));
	}
            }

Can I somehow debug ubt?

I got that error packaging with project launcher. So, as a workaround, I packaged first Android build in a folder, copied it to android device and installed it manually.