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CANopen SDO timed out on sub-indexes 1 only

Hello Everyone,

I've integrated successfully the CanFestival library on a LPC2368 (MCB2360). Now I would like to make it work on a LPC1768. Everything works fine excepts the Sub-Index 1 of ALL Indexes. No matter the data length (Uint8, Uint32 and Float) if it's not at the Sub-Index 1, I will get a reply. At any Sub-Index 1, I get the Abort Code 00000504 which mean that the SDO protocol timed out. When I run back my Object Dictionary on the LPC2368, it works fine...

Any ideas of what I should look for is welcome...
Thanks a lot