System generated packing list with export invoice – “This is for your kind information that System Generated Packing List is made compulsory with invoice, when consignment is dispatched.  It is mandatory at Indian border customs.

The Packing List must be sealed, signed and number of packages with its’ weight against each, must be mentioned.

Since 1st June, 2019, only System Generated documents are entertained in Customs.”
 This mail received from our importer.
What should I do?