Automatically Coupon code stop working on front end Magneto 2

Question

I have used the coupon code before but now automatically Specific Coupon Code stop working on the website

It is generated properly but automatically it stops working

1: I have run all Setup upgrade and deploy command and reindex command after creating cart rule.

2: Tried Putting End date Date different variation But Still got no success

3: One thing I noticed that just red is coming to no text error message as you can see the screenshot

After checking Logs

[2019-12-17 05:43:03] main.INFO: Broken reference: the 'header' element cannot be added as child to 'header.container', because the latter doesn't exist [] [] [2019-12-17 05:43:03] main.INFO: Broken reference: the 'header.panel.wrapper' element cannot be added as child to 'header.container', because the latter doesn't exist [] [] [2019-12-17 05:43:03] main.INFO: Broken reference: the 'header-wrapper' element cannot be added as child to 'header.container', because the latter doesn't exist [] [] [2019-12-17 05:43:03] main.INFO: Broken reference: the 'navigation.sections' element cannot be added as child to 'page.top', because the latter doesn't exist [] [] [2019-12-17 05:43:03] main.INFO: Broken reference: the 'top.container' element cannot be added as child to 'page.top', because the latter doesn't exist [] [] [2019-12-17 05:43:03] main.INFO: Broken reference: the 'breadcrumbs' element cannot be added as child to 'page.top', because the latter doesn't exist [] [] [2019-12-17 05:43:03] main.INFO: Broken reference: the 'catalog.compare.sidebar' element cannot be added as child to 'sidebar.additional', because the latter doesn't exist [] [] [2019-12-17 05:43:03] main.INFO: Broken reference: the 'sale.reorder.sidebar' element cannot be added as child to 'sidebar.additional', because the latter doesn't exist [] [] [2019-12-17 05:43:03] main.INFO: Broken reference: the 'wishlist_sidebar' element cannot be added as child to 'sidebar.additional', because the latter doesn't exist [] [] [2019-12-17 05:43:03] main.INFO: Broken reference: the 'custom.sidebar.content' element cannot be added as child to 'sidebar.additional', because the latter doesn't exist [] [] [2019-12-17 05:43:03] main.INFO: Broken reference: the 'header' tries to reorder itself towards '', but their parents are different: 'header.container' and '' respectively. [] [] [2019-12-17 05:43:03] main.INFO: Broken reference: the 'header.panel.wrapper' tries to reorder itself towards '', but their parents are different: 'header.container' and '' respectively. [] [] [2019-12-17 05:43:03] main.INFO: Broken reference: the 'navigation.sections' tries to reorder itself towards '', but their parents are different: 'page.top' and '' respectively. [] [] [2019-12-17 05:43:03] main.INFO: Broken reference: the 'minicart' tries to reorder itself towards 'logo', but their parents are different: 'header-wrapper' and 'header' respectively. [] [] [2019-12-17 05:43:03] main.INFO: Broken reference: the 'custom.sidebar.content' tries to reorder itself towards '', but their parents are different: 'sidebar.additional' and '' respectively. [] [] main.INFO: Broken reference: the 'minicart' tries to reorder itself towards 'logo', but their parents are different: 'header-wrapper' and 'header' respectively. [] []

Answer 1

The problem was with the hosting server they disable PUT and DELETE Method after enabling these two Method the coupons started working correctly. so my advice if your facing same kindly first contact your hosting and then try to troubleshoot problem it will save your time