Hello @creffett
I confirm that I recieve the same message as you when I uses 2.10. But I am able to process the L1C Tile (S2A_MSIL1C_20170811T085601_N0205_R007_T35TME_20170811T090657.SAFE) with 02.08.
I have checked the L1C in SNAP and it appears to be OK in its formatting. I will check the Product metadata against a more recent product.
Cheers
Jan
Jan Jackson
OPT-MPC Technical Manager