Getting Illegal character error while building job

[EDATalendDev]

Getting below error while building job.

org.talend.commons.exception.PersistenceException: org.apache.avro.SchemaParseException: Illegal character in: unknwn1 

at org.talend.repository.ui.wizards.exportjob.scriptsmanager.BuildJobManager.buildJob(BuildJobManager.java:303)

at org.talend.repository.ui.wizards.exportjob.scriptsmanager.BuildJobManager.buildJob(BuildJobManager.java:211)

at org.talend.repository.ui.wizards.exportjob.scriptsmanager.BuildJobManager.buildJobs(BuildJobManager.java:126)

at org.talend.repository.ui.wizards.exportjob.JobScriptsExportWizardPage.buildJobWithMaven(JobScriptsExportWizardPage.java:1557)

at org.talend.repository.ui.wizards.exportjob.JobScriptsExportWizardPage$9.run(JobScriptsExportWizardPage.java:1442)

at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:122)

Caused by: org.apache.avro.SchemaParseException: Illegal character in: unknwn1 

[Anonymous]

Hello,

Could you please clarify in which Talend version/edition you are?

What does your bigdata work flow look like? Is there any column names which are not allowed by some Tables schema definition?

Here is a related topic on community:

https://community.talend.com/s/question/0D53p00007vCjOoCAK/modifying-dynamic-column-metadata-to-remo...

Feel free to let us know if it helps

Best regards

Sabrina