Getting Error while returning querry

[potent onyx]

arcustService.getCustomerIdByCountryAndOfsCustomerId(country, ofsCustomerId);

------service----

public String getCustomerIdByCountryAndOfsCustomerId(String country, String ofsCustomerId);

-----servceImpl---

 @Override
  public String getCustomerIdByCountryAndOfsCustomerId(String country, String ofsCustomerId) {
    return arcustRepository.findCustomerIdByCountryAndOfsCustomerId(country, ofsCustomerId);
  }

----Repository---

@Query("SELECT a.customerId FROM Arcust a WHERE a.country = :country AND a.ofsCustomerId = :ofsCustomerId")
  public abstract String findCustomerIdByCountryAndOfsCustomerId(
      @QueryParam("country") String country, @QueryParam("ofsCustomerId") String ofsCustomerId);

------Error Picture attached---

[jagged wind]

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[jagged wind]

Please format your code to make it more readable.
For java, it should look like this:
```​​​`​java
public void foo() {

}
​​​`​```