Add QBO error for missing insurance company name.

server/accounting/qbo/qbo-receivables.js

@@ -238,6 +238,12 @@ exports.QueryInsuranceCo = QueryInsuranceCo;
 async function InsertInsuranceCo(oauthClient, qbo_realmId, req, job, bodyshop) {
   const insCo = bodyshop.md_ins_cos.find((i) => i.name === job.ins_co_nm);
 
+  if (!insCo) {
+    throw new Error(
+      `Insurance Company '${job.ins_co_nm}' not found in shop configuration. Please make sure it exists or change the insurance company name on the job to one that exists.`
+    );
+    return;
+  }
   const Customer = {
     DisplayName: job.ins_co_nm.trim(),
     BillWithParent: true,