May be it is because of MS Access ODBC version. I am using 4.00.4403.02 (08/08/99).

Anyway following is aError() -

Total number of error :  1

[1,1] 1526
[1,2] "Connectivity error: [Microsoft][ODBC Microsoft Access Driver] Syntax error in UPDATE statement."
[1,3] "[Microsoft][ODBC Microsoft Access Driver] Syntax error in UPDATE statement."
[1,4] "37000"
[1,5] -3503
[1,6] 4
[1,7] .NULL.