It is about a three month old install, just updated yesterday.
It happens when I click "Begin Guided Ferware Flash" from the "/devices/guided/ESP8266/flash/ web interface."
Thank you Thorrak for your response.
When I try to add a new temp controller I get the following error.
no such column: firmware_flash_firmware.download_url_bootloader
Request Method: GET
Request URL: http://10.0.0.167/firmware/
Django Version: 1.11.27
Exception Type: OperationalError
Exception Value:
no...