dear expert,

i am using firebird 2.1, zeos 7 and delphi 2010. after re installing
delphi, now i cannot select table name from zeos component in design
time. each time when i select table name, delphi IDE raise the error
901, "data type BLOB is not supported for sortin operation".

i have no idea to solve this problem. before that, i don have
complaint about this and why suddenly this error come up.

to trace this error here the activities before the error raised.
1. install jedi component but failed then ide Delphi raise error leak of memory
2. re install delphi, ide now ok
3. install all my component
4. install fibpluss
5. install unidac
6. now error 901...
7. re intall firebird 2,1 error still exist

please help this problem.

thanks
ridwan