# Uncaught Throwable

**URL:** <https://forum.inductiveautomation.com/t/uncaught-throwable/9858>\
**Category:** Ignition\
**Created:** [March 30, 2015, 2:52pm UTC](https://forum.inductiveautomation.com/t/uncaught-throwable/9858 "2015-03-30T14:52:44Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![epsmitas](https://avatars.discourse-cdn.com/v4/letter/e/4af34b/32.png) [@epsmitas](https://forum.inductiveautomation.com/u/epsmitas)\
**Post date:** [March 30, 2015, 2:52pm UTC](https://forum.inductiveautomation.com/t/uncaught-throwable/9858/1 "2015-03-30T14:52:44Z")

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Ignition Version 7.7.2  
Allen Bradley CompactLogix PLC 1769-L33ERM  
PLC Firmware Major Revision 21 Minor Revision 11 ( 21.11 )

Not sure what the issue is here…

1/ PLC Device looks okay.  
( Line1AutopackNew Allen-Bradley CompactLogix true Connected: Protocol: EIP - Run Mode )

2/ Can select tags through tag browser. Tags have red x through them after selection.

3/ Cannot read tags through OPC Quick Client ( No Response On Tags, Response On Diagnostics )

10:37:59 AM CompactLogixDriver[Line1AutopackNew] Uncaught Throwable during messageArrived(). msg=[70 00 22 00 09 00 70 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 02 00 A1 00 04 00 14 36 15 A8 B1 00 0E 00 35 00 8A 00 1E 00 01 00 04 00 CC 00 0F 00]

java.util.IllegalFormatConversionException: d != com.inductiveautomation.xopc.drivers.allenbradley.transport.ABResponseStatus

Thanks In Advance !

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**Author:** ![Kevin.Herron](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/kevin.herron/32/7259_2.png) [@Kevin.Herron](https://forum.inductiveautomation.com/u/Kevin.Herron)\
**Post date:** [March 30, 2015, 3:24pm UTC](https://forum.inductiveautomation.com/t/uncaught-throwable/9858/2 "2015-03-30T15:24:46Z")

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You need to use the new “Logix Driver” for v21+ CompactLogix and ControlLogix connections.

If you can hold off a day or so, the version that’s going to be released with 7.7.4 has fixed all known outstanding issues and has dramatically better memory usage.

Whether you wait or not you’ll have to delete that device entry and create a new one using the right driver if you’re connecting to v21+ processors.

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**Author:** ![epsmitas](https://avatars.discourse-cdn.com/v4/letter/e/4af34b/32.png) [@epsmitas](https://forum.inductiveautomation.com/u/epsmitas)\
**Post date:** [March 30, 2015, 3:36pm UTC](https://forum.inductiveautomation.com/t/uncaught-throwable/9858/3 "2015-03-30T15:36:16Z")

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Okay Thanks. We will wait for 7.7.4.

BTW, we also have AB PLC Major Revision 24 that we have not tested but are planning on using in upcoming machinery.

Thanks

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<div class="post-metadata">

**Author:** ![Kevin.Herron](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/kevin.herron/32/7259_2.png) [@Kevin.Herron](https://forum.inductiveautomation.com/u/Kevin.Herron)\
**Post date:** [March 30, 2015, 3:38pm UTC](https://forum.inductiveautomation.com/t/uncaught-throwable/9858/4 "2015-03-30T15:38:00Z")

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[quote=“epsmitas”]Okay Thanks. We will wait for 7.7.4.

BTW, we also have AB PLC Major Revision 24 that we have not tested but are planning on using in upcoming machinery.

Thanks[/quote]

v24 is fine as well.

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<div class="post-metadata">

**Author:** ![Kevin.Herron](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/kevin.herron/32/7259_2.png) [@Kevin.Herron](https://forum.inductiveautomation.com/u/Kevin.Herron)\
**Post date:** [March 30, 2015, 10:26pm UTC](https://forum.inductiveautomation.com/t/uncaught-throwable/9858/5 "2015-03-30T22:26:37Z")

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7.7.4 is now available for download: [inductiveautomation.com/downloads/ignition](https://inductiveautomation.com/downloads/ignition)