Informix Error -12113

-12113 Smart Large Objects: Attempt to convert from using light IO to

The user tried to alter a smart large object with either ifx_lo_alter() (ESQL/C) or mi_lo_alter() (DAPI) while some instances of the smart large object are currently open.

Close all open instances of the smart large object before altering the buffering mode with ifx_lo_alter() or mi_lo_alter().