https://devzone.nordicsemi.com/f/nordic-q-a/17486/problem-with-fds-init-no_pages-errorHi I have run into this error when running. However it has just appeared (the FDS did work but now will not initilise.) I am using Visual_gdb. As per this issue I have added this to my linker script: .fs_data ALIGN(4): { PROVIDE( __start_fs_dataen-USTelligent Community 13Thu, 03 Nov 2016 09:43:53 GMThttps://devzone.nordicsemi.com/thread/67205?ContentTypeID=1Thu, 03 Nov 2016 09:43:53 GMT137ad170-7792-4731-bb38-c0d22fbe4515:bc9f5a4d-9ce2-4090-bf2f-9013c4f11c99FormerMember<p>The problem in <a href="https://devzone.nordicsemi.com/question/68722/segger-embedded-studio-unplaced_sections-problem/">this</a> thread seems very similar, I would recommend you to have a look it and check the suggestions.</p><div style="clear:both;"></div>