3018739 - AM130 - Language key * not defined

• When carrying out an action in the system you receive error "AM130 - Language key * not defined".
• A MESSAGE_TYPE_X dump may also be thrown with the same error message, this dump is usually thrown when carrying out some action related to a User (e.g. create, delete, edit). The details of the dump:
  

  Runtime Errors MESSAGE_TYPE_X
  ABAP Program CL_ADDR_PERSISTENCY_SZA0======CP
  Application Component BC-SRV-ADR
  Date and Time 29.01.2021 13:55:21
  ----------------------------------------------------------------------------------------------------

  |Error analysis |
  | Short text of the error message: |
  | Language key EN not defined |
  | Long text of the error message: |
  | Technical information about the message: |
  | Message class....... AM |
  | Number.............. 130 |
  | Variable 1.......... EN |
  | Variable 2.......... |
  | Variable 3.......... |
  | Variable 4.......... " " |
  ----------------------------------------------------------------------------------------------------

  | "MESSAGE_TYPE_X" |
  | "CL_ADDR_PERSISTENCY_SZA0======CP" bzw. CL_ADDR_PERSISTENCY_SZA0======CM008 |
  | "IF_ADDR_MODIFY~INSERT_BLANK_ADDRESS_3" |

  ----------------------------------------------------------------------------------------------------

  ----------------------------------------------------------------------------------------------------
  |Information on where terminated |
  | The termination occurred in ABAP program "CL_ADDR_PERSISTENCY_SZA0======CP", |
  | in "IF_ADDR_MODIFY~INSERT_BLANK_ADDRESS_3". The main program |
  | was "SAPLTMSU". |
  | |
  | In the source code, the termination point is in line 68 of (Include) |
  | program "CL_ADDR_PERSISTENCY_SZA0======CM008". |
  ----------------------------------------------------------------------------------------------------

  ----------------------------------------------------------------------------------------------------
  |Source Code Extract |
  ----------------------------------------------------------------------------------------------------
  |Line |SourceCde |
  ----------------------------------------------------------------------------------------------------
  | 43| |
  | 44| IF iv_person_exists IS INITIAL. |
  | 45|* We have to create the person as well. |
  | 46| |
  | 47| CALL FUNCTION 'ADDR_PERS_COMP_INSERT' |
  | 48| EXPORTING |
  | 49| address_handle = iv_address_handle |
  | 50| address_number = iv_address_number |
  | 51| address_person_in_company_data = ls_addr3_data |
  | 52| person_group = iv_person_group |
  | 53| person_handle = iv_person_handle |
  | 54| check_address = space |
  | 55| IMPORTING |
  | 56| returncode = lv_returncode |
  | 57| TABLES |
  | 58| error_table = lt_error |
  | 59| EXCEPTIONS |
  | 60| address_not_exist = 1 |
  | 61| parameter_error = 2 |
  | 62| person_exists = 3 |
  | 63| internal_error = 4 |
  | 64| OTHERS = 5. |
  | 65| |
  | 66| IF sy-subrc <> 0 |
  | 67| OR lv_returncode = 'E'. |
  |>>>>>| MESSAGE ID sy-msgid TYPE 'X' NUMBER sy-msgno |
  | 69| WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4. |
  | 70| ENDIF. |
  | 71| |
  | 72| ELSE. |

• SAP NetWeaver Basis release independent 

Language key EN not defined, AM130, MESSAGE_TYPE_X, CL_ADDR_PERSISTENCY_SZA0======CP, CL_ADDR_PERSISTENCY_SZA0======CM008, IF_ADDR_MODIFY~INSERT_BLANK_ADDRESS_3, MESSAGE ID sy-msgid TYPE 'X' NUMBER sy-msgno, , KBA , BC-SRV-ADR , Address Management / Business Address Services , BC-I18 , Internationalization (I18N) , Problem