| 400 | EXTCUSTMGMT_RGSTR_IDM_0001 | Required fields are missing for IDM Process individual registration. |
| 400 | EXTCUSTMGMT_RGSTR_IDM_0002 | Downstream error occurred for IDM process individual registration. |
| 400 | EXTCUSTMGMT_RGSTR_IDM_0001 | Required fields are missing. |
| 400 | EXTCUSTMGMT_RGSTR_0003 | Required fields are missing. |
| 400 | EXTCUSTMGMT_RGSTR_0005 | Invalid broadband offer selected. |
| 400 | EXTCUSTMGMT_RGSTR_00052 | Cart id is missing. |
| 400 | EXTCUSTMGMT_RGSTR_00053 | Customer Registration Request is missing. |
| 400 | EXTCUSTMGMT_RGSTR_00065 | Customer registration required fields are missing. |
| 400 | EXTCUSTMGMT_RGSTR_PURCHASEORDER_0009 | Individual/Customer Id is Empty. |
| 400 | EXTCUSTMGMT_RGSTR_PURCHASEORDER_0011 | Place is required. |
| 400 | EXTCUSTMGMT_RGSTR_PURCHASEORDER_0012 | User is missing roles. |
| 400 | EXTCUSTMGMT_RGSTR_PURCHASEORDER_0014 | Invalid Resources. |
| 400 | EXTCUSTMGMT_RGSTR_PURCHASEORDER_0015 | Checkout is required. |
| 400 | EXTCUSTMGMT_RGSTR_PURCHASEORDER_0016 | Invalid Billing Account Id. |
| 400 | EXTCUSTMGMT_RGSTR_PURCHASEORDER_0017 | Identification Id Required. |
| 400 | EXTCUSTMGMT_RGSTR_PURCHASEORDER_0019 | Invalid Spi legalId. |
| 400 | EXTCUSTMGMT_RGSTR_0020 | Pass code is invalid. |
| 400 | EXTCUSTMGMT_RGSTR_IDM_00026 | Downstream error occurred for IDM registration search. |
| 400 | EXTCUSTMGMT_RGSTR_IDM_00027 | Required fields are missing for IDM registration search. |
| 400 | EXTCUSTMGMT_RGSTR_0030 | Individual already exists, not valid for provide flow. |
| 400 | EXTCUSTMGMT_RGSTR_IDGRAPH_00036 | Invalid data. |
| 400 | EXTCUSTMGMT_RGSTR_IDGRAPH_00037 | Transaction not Allowed. |
| 400 | EXTCUSTMGMT_RGSTR_IDGRAPH_00038 | Invalid credentials. |
| 400 | EXTCUSTMGMT_RGSTR_IDGRAPH_00039 | External data error occurred. |
| 400 | EXTCUSTMGMT_RGSTR_IDGRAPH_00040 | Credential not on file. |
| 400 | EXTCUSTMGMT_RGSTR_IDGRAPH_00041 | Account locked. |
| 400 | EXTCUSTMGMT_RGSTR_IDGRAPH_00042 | Account lockout. |
| 400 | EXTCUSTMGMT_RGSTR_IDGRAPH_00043 | Account not found. |
| 400 | EXTCUSTMGMT_RGSTR_IDGRAPH_00044 | Individual is not active. |
| 404 | EXTCUSTMGMT_RGSTR_SHOPCART_0004 | Provided CartId is invalid. |
| 404 | EXTCUSTMGMT_RGSTR_SHOPCART_0006 | Provided CartId does not belong to the user. |
| 404 | EXTCUSTMGMT_RGSTR_PURCHASEORDER_0008 | Individual with id is not found. |
| 500 | EXTCUSTMGMT_RGSTR_00049 | Product Type is missing. |
| 500 | EXTCUSTMGMT_RGSTR_00050 | Product Order is missing. |
| 500 | EXTCUSTMGMT_RGSTR_00051 | Process Individual Response is missing. |
| 500 | EXTCUSTMGMT_RGSTR_00066 | Matching Legacy Broadband Account found. |
| 500 | EXTCUSTMGMT_RGSTR_PURCHASEORDER_0007 | CG Patch Individual Internal Server Error. |
| 500 | EXTCUSTMGMT_RGSTR_PURCHASEORDER_0010 | Pricing engine error. |
| 500 | EXTCUSTMGMT_RGSTR_PURCHASEORDER_0013 | Missing Cycle Specification. |
| 500 | EXTCUSTMGMT_RGSTR_PURCHASEORDER_0018 | Encryption failed. |
| 500 | EXTCUSTMGMT_RGSTR_IDGRAPH_00031 | Database error occurred. |
| 500 | EXTCUSTMGMT_RGSTR_IDGRAPH_00032 | External system error occurred. |
| 500 | EXTCUSTMGMT_RGSTR_IDGRAPH_00033 | System application error occurred. |
| 500 | EXTCUSTMGMT_RGSTR_IDGRAPH_00034 | System unreachable. |
| 500 | EXTCUSTMGMT_RGSTR_IDGRAPH_00035 | Transaction timeout. |