Replacement Needed "CLIENT APPLICATION SUMMARY"

[wolahsalvador]

Hi Guys, Is there anyone can help me to understand. Upon checking my application status as student permit. There is a replacement needed "client application summary" required appear on my submitted document. Im confused which document I need to submit. I dont received any instruction letter. Please anyone can help. Thank you

 

[Laguna55]

Could it be a study plan / Letter of explanation?