Urgent: Vault Card Error 503 No extended information provided

Hi @Jeffrey Blattman @edwardcolin @Sukhbir Singh @avdhesh.akhani
I am currently working on integrating the Vault Card feature into our application, but I am encountering an issue that is unable to resolve. The specific error details are as follows.
Request Body:

run: function () {

connectionListener.onVaultCardResponse = onVaultCardResponse;

cloverConnector.vaultCard(clover.CardEntryMethods.ALL);

}
Error message in vaultCard VaultCardResponse {
_class_: <ref *1> [Function: VaultCardResponse] {
_meta_: { fields: [Object], _class_: [Circular *1], _superMeta_: [Object] }
},
success: false,
result: 'FAIL',
reason: '503, ',
message: 'No extended information provided.',
_superClass_: <ref *2> [Function: BaseResponse] {
_meta_: { fields: [Object], _class_: [Circular *2] }
},
card: undefined
}
!
! Vault Card Failed
!
Reason: 503,
Message: No extended information provided.