Minor fix for the plugin datasource error that occurred when opening apps in an environment where the datasource no longer exists.

packages/server/src/api/controllers/datasource.ts

@@ -14,7 +14,6 @@ import { invalidateDynamicVariables } from "../../threads/utils"
 import { db as dbCore, context, events } from "@budibase/backend-core"
 import { UserCtx, Datasource, Row } from "@budibase/types"
 import sdk from "../../sdk"
-import { mergeConfigs } from "../../sdk/app/datasources/datasources"
 
 export async function fetch(ctx: UserCtx) {
   // Get internal tables

packages/server/src/sdk/app/datasources/datasources.ts

@@ -63,8 +63,12 @@ function useEnvVars(str: any) {
 
 export async function removeSecrets(datasources: Datasource[]) {
   const definitions = await getDefinitions()
+  const finalDatasources = []
   for (let datasource of datasources) {
     const schema = definitions[datasource.source]
+    if (!schema) {
+      continue
+    }
     if (datasource.config) {
       // strip secrets from response, so they don't show in the network request
       if (datasource.config.auth) {
@@ -93,8 +97,9 @@ export async function removeSecrets(datasources: Datasource[]) {
         }
       }
     }
+    finalDatasources.push(datasource)
   }
-  return datasources
+  return finalDatasources
 }
 
 export async function removeSecretSingle(datasource: Datasource) {