Salesforce MIXED_DML_OPERATION
The MIXED_DML_OPERATION error in Salesforce occurs when you attempt to perform a DML (Data Manipulation Language) operation on setup objects (such as User, Profile, UserRole, Group, etc.) within the same transaction as DML operations on regular sObjects (standard or custom objects). This restriction is in place to maintain the integrity and security of Salesforce data because setup objects control system-wide settings and configurations that could impact multiple users and processes. Here's how you can handle the MIXED_DML_OPERATION error: Separate Setup and Non-Setup DML Operations : Split your DML operations into separate transactions, with one transaction handling DML operations on regular sObjects and another transaction handling DML operations on setup objects. public void handleMixedDML() { // Perform DML operations on regular sObjects List<Account> accountsToUpdate = [SELECT Id, Name FROM Account LIMIT 10]; // Perform DML oper...