How to fix SAP error SO688?

What causes this issue? An X.400 address consists of at least the country (C) and the administrative domain (A). Other valid abbreviations are O, OU1-OU4, S, G, I, Q, and P for the respective components of the X.400 address. The individual components are separated by a semicolon (;). Either an incorrect separation character was used or an invalid abbreviation was entered or the country or administrative domain was not specified.System Response The system issues an error message and will not allow you to continue with this transaction until the error is resolved. How to fix this error? Please enter the address in the way described above.Error message extract from SAP system. Copyright SAP SE.

How To Fix SO688 - & is not a valid X.400 address

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SAP Error Message - Details

Message type: E = Error
Message class: SO - SAPoffice: message texts
Message number: 688
Message text: & is not a valid X.400 address
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What causes this issue?
An X.400 address consists of at least the country (C) and the
administrative domain (A). Other valid abbreviations are O, OU1-OU4, S,
G, I, Q, and P for the respective components of the X.400 address. The
individual components are separated by a semicolon (;).
Either an incorrect separation character was used or an invalid
abbreviation was entered or the country or administrative domain was
not specified.
System Response
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
How to fix this error?
Please enter the address in the way described above.

Error message extract from SAP system. Copyright SAP SE.

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What is the cause and solution for SAP error message SO688 - & is not a valid X.400 address ?

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