File is too large to parse.File is too large to parse.File is too large to parse

why is our Add on suddenly being rejected with the above errors?

  • Validation generated too many errors/warnings so 276 messages were truncated. After addressing the visible messages, you’ll be able to see the others.
  • File is too large to parse.
  • File is too large to parse.
  • File is too large to parse

Our submissions have been >4mb before and never had problems.