WORK PERMIT EXT. (In-CANADA) Temp Authorization Letter.......!! need Help.

[R_Jasoos]

Hello,

I have applied for my spouse's WORK PERMIT EXT. (In-CANADA) based on my PGWP......it's been 7-8 weeks I have NOT received Temporary authorization letter (IMM5988).
Usually it get generated in 1 week in GC KEY ACCOUNT after submission.

what should I do? did I make any mistake..?

THANKS A LOT IN ADVANCE.