An unbalanced X++ TTSBEGIN/TTSCOMMIT pair has been detected. Causes of this include (a) too many/few TTSBEGIN or TTSCOMMIT, (b) return calls within TTSBEGIN/TTSCOMMIT pairs, and (c) user interaction within TTSBEGIN/TTSCOMMIT pairs.

What is Prompt Fields in Dynamics AX Reports

Prompt fields will display label for objects in a report. Filling up an EDT or fields of prompt fields will display labels for that EDT/fields.

Unable to create ActiveX Control error

Basically this error(Unable to create ActiveX Control. cmxphone Control) occured when we uninstall Microsoft Dynamics AX 4.0 and AX 2009 is still installed.
and when we open AX this error(Unable to create ActiveX Control. cmx phone Control) occurs.
Solution: To remove this error just copy smmphone.ocx from other system where AX 4.0 is still installed and put this on same path as-Installed Drive\Program Files\Microsoft Dynamics AX\40\Client