when i try to post a photo in a thread i get this popup:

2016-03-06_00001.jpg: Exceeds your quota by 130.7 KB. <a href="misc.php?do=attachments" target="_blank">Click here to view your attachments</a

anyone know whats causing this? anyone else experience this problem? im clicking the "insert image" button next to the font settings any help or suggestions are greatly appreciated!