# Hour meter transaction group problem with execution scheduling: schedule

**URL:** <https://forum.inductiveautomation.com/t/hour-meter-transaction-group-problem-with-execution-scheduling-schedule/20166>\
**Category:** Ignition\
**Created:** [October 15, 2018, 10:22pm UTC](https://forum.inductiveautomation.com/t/hour-meter-transaction-group-problem-with-execution-scheduling-schedule/20166 "2018-10-15T22:22:21Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![GeraGarcia](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/geragarcia/32/18471_2.png) [@GeraGarcia](https://forum.inductiveautomation.com/u/GeraGarcia)\
**Post date:** [October 15, 2018, 10:22pm UTC](https://forum.inductiveautomation.com/t/hour-meter-transaction-group-problem-with-execution-scheduling-schedule/20166/1 "2018-10-15T22:22:22Z")

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Hour meter **transaction group** work problem with **execution scheduling: Timer** Fig1 is working but there is a slippage in time of the next execution.

 ![](https://us1.discourse-cdn.com/inductiveautomation/original/2X/d/d3b402375614ba16f0b1b5ca551d093049f9b96d.png)

Then i try to change a **execution scheduling: schedule** Fig2 and have the next mesagge **Unknown, waiting for execution** , What am I setting wrong? or what do I need to configure?  
[[Understanding Transaction Groups - Ignition User Manual 7.9 - Ignition Documentation](https://docs.inductiveautomation.com/display/DOC79/Understanding+Transaction+Groups)]

 ![](https://us1.discourse-cdn.com/inductiveautomation/original/2X/2/26de816c25d78ff4b18b18442c4c41620c7d7c5d.png)

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<div class="post-metadata">

**Author:** ![GeraGarcia](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/geragarcia/32/18471_2.png) [@GeraGarcia](https://forum.inductiveautomation.com/u/GeraGarcia)\
**Post date:** [October 16, 2018, 2:43pm UTC](https://forum.inductiveautomation.com/t/hour-meter-transaction-group-problem-with-execution-scheduling-schedule/20166/2 "2018-10-16T14:43:10Z")

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Ok, Hi everyone, the transaction group execution scheduling: schedule works correctly, the transaction group is waiting for the closest of the times set to start working, once it has been completed it has already started its normal operation.

Regards. Gerardo Garcia