The navigation information is not valid in sap fiori launchpad

When I load the Manage Billing Documents Application in fiori launchpad,I am getting the error in console like in the below image:-

I have activated all the sicf nodes and odata services required for this app.

when Iopen that pop up - 'Sorry a technical error occured' erro is coming,when I view the details of that error it is showing like this:-

Sorry, a technical error has occurred. Please try again later.

\{
	"message": "HTTP request failed",
	"headers": \{
		"Content-Type": "application/json;charset=utf-8",
		"Content-Length": "1103",
		"DataServiceVersion": "1.0"
	},
	"statusCode": "400",
	"statusText": "Bad Request",
	"responseText": "\{\"error\":\{\"code\":\"SY/530\",\"message\":\{\"lang\":\"en\",\"value\":\"The navigation information is not valid; the source key 'BILLINGDOCUMENTTYPE' of association '_BILLINGDOCUMENTTYPE' is not provided\"},\"innererror\":\{\"application\":\{\"component_id\":\"LO-VCH-FIO\",\"service_namespace\":\"/SAP/\",\"service_id\":\"SD_CUSTOMER_INVOICES_MANAGE\",\"service_version\":\"0001\"},\"transactionid\":\"6474E2C51DA442798E5D94A6871583D8\",\"timestamp\":\"\",\"Error_Resolution\":\{\"SAP_Transaction\":\"\",\"SAP_Note\":\"See SAP Note 1797736 for error analysis (https://service.sap.com/sap/support/notes/1797736)\",\"Batch_SAP_Note\":\"See SAP Note 1869434 for details about working with $batch (https://service.sap.com/sap/support/notes/1869434)\"},\"errordetails\":[\{\"code\":\"CX_SADL_GW_CONTRACT_VIOLATION\",\"message\":\"The navigation information is not valid; the source key 'BILLINGDOCUMENTTYPE' of association '_BILLINGDOCUMENTTYPE' is not provided\",\"propertyref\":\"\",\"severity\":\"error\",\"transition\":false,\"target\":\"\"},\{\"code\":\"/IWBEP/CX_MGW_BUSI_EXCEPTION\",\"message\":\"An exception was raised\",\"propertyref\":\"\",\"severity\":\"error\",\"transition\":false,\"target\":\"\"}]}}}"
}