16 May 2016
Processing of statement for Q4 of FY 2015-16 for Form 24Q has been put on hold since Challan Mismatch/Challan Overbooked/PAN Error have been identified. - [10-May-2016]
17 May 2016
The message will send when error found while processing of tds return and also you find somewhere that you have time to rectify mistake before assessment. So take care of this message otherwise your return will be processed with errors.