The process has been signaled with signal "9"

[hillel]

Maybe the info here will help, it’s a similar error:

PlatformException(error, Promise was rejected with a value of 'undefined'.,null, null)

v5.5.104 with the same error after migrating via ZIP file. PDFs are created via PhantomJS wit the API key. After NN hours, here is the solution: the PDFs are stored in the public/storage folder. If the Web server is unable to write there, you will get empty PDF files via ‘Download’ or the error mentioned. sudo chmod -R g+w public/storage sudo chgrp -R www-data public/storage Also, storage should be webserver-writable, so sudo chmod -R g+w storage sudo chgrp -R www-data storage Pleas…