- What is your org version ? in Spring ’15, Apex Flex Queue is enabled by default. - If not to activate the Apex Flex Queue critical update in Setup. - Fire SOQL to check if job is in Holding status on AsyncApexJob.
The system can process up to five queued or active jobs simultaneously. The status of these moved jobs changes from Holding to Queued. Queued jobs get executed when the system is ready to process new jobs.
May be you can try to delete some of the active jobs ?
- If not to activate the Apex Flex Queue critical update in Setup.
- Fire SOQL to check if job is in Holding status on AsyncApexJob.
May be you can try to delete some of the active jobs ?