Issue for some users while using BO in citrix

hello all,

we have this error for few users ,happens randomly for few users in few servers

connection or error SQL related error

Exception: CS, DBdriver failed to load D:winapp\businessobjects\business objects enterprise 12.0\win32_×86\dataAccess\connectionServer\dbd.oci.dll(%1 not a valid win32 application)

any inputs, how to fix this issue ?

Hi, I must say I have seen such a messages in the past… what is OS of the citrix server, which oracle drivers are used?
t.