Error while programming PIC24FJ64GA002 with ICD-U64

[doloran]

Hi all,
I'm trying to program a PIC24FJ64GA002 using ICD-U64 but it fails. (FW 3.22, SW 5.043, HW 2)

On the diagnostics page everythings seems fine, the chip is detected correctly and voltage is okay as well.

However, when trying to program, the process starts like usual but seems like hanging for approx. 15 seconds when it comes to veryfying. (The progress bar is almost at the right end)

Finally it stops with an error:
Could not read target ROM: The returned length (000) was not the one requested (006)

First I thought the cable is too long but the problem is still present with a 2 inch cable too.
Hardware design should be okay, I use ICSP1.

Has anybody experienced similar issues or has a hint what might be wrong or which mistake I may overlook?

Thanks in advance!