How to fix SAP error TB427?

What causes this issue? An error occurred when constructing a link to another system.System Response The comparison with the system specified cannot be carried out.How to fix this error? If the called system is not active, please arrange for it to be activated. If the called system has another version of the comparator, please ensure compatible versions are available. If the interface to the called system has incorrectly set parameters please adjust this using transaction SM59. The system issues an error message and will not allow you to continue with this transaction until the error is resolved. Error message extract from SAP system. Copyright SAP SE.

How To Fix TB427 - Error in RFC connection: & (&)

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SAP Error Message - Details

Message type: E = Error
Message class: TB - SM31 table maintenance messages
Message number: 427
Message text: Error in RFC connection: & (&)
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What causes this issue?
An error occurred when constructing a link to another system.
System Response
The comparison with the system specified cannot be carried out.
How to fix this error?
If the called system is not active, please arrange for it to be
activated.
If the called system has another version of the comparator, please
ensure compatible versions are available.
If the interface to the called system has incorrectly set parameters
please adjust this using transaction SM59.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

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What is the cause and solution for SAP error message TB427 - Error in RFC connection: & (&) ?

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