AD records failing to import

AD records failing to import

Hello

I have error with AD users import

System Log Message: 
Exception while adding the Requester :UserName:ikrivoruchko ,EmployeeID:-
,Title:- ,FullName:Криворучко Илона ,Description:-
,Email: ikrivoruchko@pzu.com.ua ,Phone:- ,Mobile:- ,DeptId:19505 ,
JobTitle:Oператор ,FromAD:true ,UserDomain:PZUGROUP ,smsID:- ,Ldap_Id:-

Probable Cause:
java.lang.NumberFormatException: For input string: "UVH@27466137"

Help me plz!

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