I don't know whether is this a bug or not but I can't disapprove my approved chapter! I clicked on the red X button and it shows the pencil logo only. But, tomorrow, the same chapter is back again! I clicked on the red X button again... and today. Yeah, you guessed it, the chapter shows up again! I already clicked the red X button but I guess tomorrow the chapter will reappear again. Here is the manga
https://vatoto.com/comic/_/comics/crayon-shin-chan-r10200
I accidentally upload the same chapter twice so I need to delete it but I just can't.