Failed Ajax request or invalid JSON returned while publishing an article

Description of issue or problem I’m having:
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OJS 3.3.0.8

Please help me how can I resolve this issue.

Hello @Shivam_Tripathi_KS,

Can you please indicate the specific version that you are using (e.g. 3.3.0-8)? Also, are you able to provide any messages for your PHP error logs - usually these provide better indications of what the issue might be.

-Roger
PKP Team