I am trying to identify the error on the "ReadHoldingRegistersRequest" error

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I am trying to “identify “ the source of the error here. The magnifying glass has no information. I am looking to see and identify the source/tag of this error. I know its probably a data type mismatch or missing register.

Any assistance is appreciated.

If you turn that logger to TRACE we'll be able to see the request bytes and from there figure out the base register and length being requested. From there you'll have to figure out what tags that corresponds to.

If there is a magnifying icon I would think hovering over it provides at least the device name?

The Device name shows but when toggling “TRACE” nothing appears

You need to go to the gear icon, find that logger, and change the level there. The drop down menu you changed is just a filter.

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I could locate it here

As a follow up, and trying to decipher this which string is the offending string that creates the error? the one immediately below the error?

Also is there a shortcut way to “search” the string and retrieve the “tag” that is requesting the read?

It's trying to read 1503 Coils from address 0... so probably any of your Coil tags you've defined in that range.

You might need to turn the "Span Gaps" setting to false in the configuration for this device.

Ill see what I can do. I am currently dissecting the frame of the packet to what I can find. Thank you