DataDirector Events failing error number -2147417848

We are currently using data-director v 3.5 to develop on Visual Basic 5 Enterprise Edition connecting to an Informix Openlink V 7.0 server. When running the program we occasionally get the error message 'method [xxx] of ITable failed' with the error number -2147417848. [xxx] might be NewRecord or QueryData or FirstRecord. If the error occurs while in the design environment of VB and the debug option is taken, if we press F5, the program continues, executing the line that caused the original break as if everything is OK. Has anyone else had a similar problem and do they know of a fix. We'd like to avoid trapping the error and re-executing it by Resuming at a label if at all possible. Many Thanks Richard Birtwistle "Richard Birtwistle" <richard@lintel.demon.co.uk> Tel 01244 316297 Fax 01244 400171