fix: multiple = false

packages/core/client/src/collection-manager/interfaces/o2o.tsx

@@ -436,7 +436,7 @@ export const obo: IField = {
         'x-component': 'RecordPicker',
         'x-component-props': {
           // mode: 'tags',
-          multiple: true,
+          multiple: false,
           fieldNames: {
             label: 'id',
             value: 'id',

packages/core/database/src/update-associations.ts

@@ -258,6 +258,10 @@ export async function updateSingleAssociation(
     return false;
   }
 
+  if (Array.isArray(value)) {
+    throw new Error(`The value of '${key}' cannot be in array format`);
+  }
+
   const { context, updateAssociationValues = [], transaction } = options;
   const keys = getKeysByPrefix(updateAssociationValues, key);