Hi @oaklandmomcat
Most likely the ignitor has failed and needs to be replaced.
Here's a [https://www.youtube.com/watch?v=bXzYuwc1_r8|video] that shows what to do.
Search online for [https://www.google.com/search?client=firefox-b-d&q=5303935066+|5303935066] to find ignitor suppliers that suit you best. This is the part number for the ignitor in your model.
FYI your oven is a rebadged Frigidaire oven model, made to order for Kenmore, that's why the suppliers might specify the ignitor as suitable for Frigidaire.