Error : "Trigger must be associated with a job detail"

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Error : "Trigger must be associated with a job detail"

 Hi All,
I was just trying to schedule my schedulable class 'Schedular_GlobalAppLogPurgeBatch' in Apex. That time I was facing this error.
Error : "Trigger must be associated with a job detail"

e.g.
Schedular_GlobalAppLogPurgeBatch globalPurgeBatchSchedular = new Schedular_GlobalAppLogPurgeBatch();
System.schedule('Global App Logs Purge ', '0 0 * * * ? *', globalPurgeBatchSchedular);

you can notice there is a space after "Global App Logs Purge ", when I removed this extra space from the name ("Global App Logs Purge") my class was scheduled as expected.

Corrected Space from code:
Schedular_GlobalAppLogPurgeBatch globalPurgeBatchSchedular = new Schedular_GlobalAppLogPurgeBatch();
System.schedule('Global App Logs Purge', '0 0 * * * ? *', globalPurgeBatchSchedular);

I hope this will help you.
Have almost 7 years of experience and expertise in Core Java, JDBC, Servlet, JSP, Java Web Services and Struts, Oracle Database, MS SQL Server,Apex,Visual Force,Force.com platform. Good Experience on Oracle CRM ON DEMAND, Sales force CRM with ability to work independently and in a team environment. Good Analytical & Reasoning skills. Strongly creative in learning new technologies and systems, extremely passionate to work in a challenging place. Apart from that, I have very vast experience in integration and data migration from one system to other system. Certifications: 1. Salesforce Certified Platform Developer I 2. Salesforce Certified Administrator 3. Salesforce Certified Sales Cloud Consultant 4. Salesforce Certified Service Cloud Consultant 5. Oracle Certified Java Developer 6.Oracle Certified Web Component Developer 7. Oracle Certified SQL Associate

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