Critical errors in system.log

[ksiamro]

Hello,
This issue was 'resolved' in Magento 2.1.1 probably. eg #3507
It shows on clear project also.

Preconditions

1. Magento v 2.1.2
2. PHP 5.6 also with PHP 7.0.8
3. mysql 5.7

Steps to reproduce

1. open any page

Expected result

1. no errors in var/log/system.log

Actual result

small snip from system.log:

[2016-11-30 15:38:16] main.INFO: Cache file with merged layout: LAYOUT_adminhtml_STORE1_3d41d8cd98f00b204e9800998ecf8427e and handles : Please correct the XML data and try again.  [] []
[2016-11-30 16:03:31] main.INFO: Cache file with merged layout: LAYOUT_frontend_STORE1_2c7461af04bb11fe209659d7147d2c579 and handles default, cms_index_index, cms_page_view, cms_index_index_id_home: Please correct the XML data and try again.  [] []
[2016-11-30 16:03:31] main.INFO: Cache file with merged layout: LAYOUT_frontend_STORE1_20a98983867a1770682b48d9a0ad63441 and handles 1column: Please correct the XML data and try again.  [] []
[2016-11-30 16:03:31] main.CRITICAL: Broken reference: the 'catalog.compare.sidebar' element cannot be added as child to 'sidebar.additional', because the latter doesn't exist [] []
[2016-11-30 16:03:31] main.CRITICAL: Broken reference: the 'sale.reorder.sidebar' element cannot be added as child to 'sidebar.additional', because the latter doesn't exist [] []
[2016-11-30 16:03:31] main.CRITICAL: Broken reference: the 'wishlist_sidebar' element cannot be added as child to 'sidebar.additional', because the latter doesn't exist [] []
[2016-11-30 16:03:31] main.CRITICAL: Broken reference: the 'paypal.partner.right.logo' element cannot be added as child to 'sidebar.additional', because the latter doesn't exist [] []
[2016-11-30 16:03:31] main.CRITICAL: Broken reference: the 'bml.right.logo' element cannot be added as child to 'sidebar.additional', because the latter doesn't exist [] []
[2016-11-30 16:03:33] main.INFO: Cache file with merged layout: LAYOUT_frontend_STORE1_26f1b068ec7ccf4878f9284dd1137afd1 and handles catalog_product_prices: Please correct the XML data and try again.  [] []
[2016-12-01 00:35:30] main.INFO: Cache file with merged layout: LAYOUT_frontend_STORE1_2c7461af04bb11fe209659d7147d2c579 and handles default, cms_index_index, cms_page_view, cms_index_index_id_home: Please correct the XML data and try again.  [] []
[2016-12-01 00:35:30] main.INFO: Cache file with merged layout: LAYOUT_frontend_STORE1_20a98983867a1770682b48d9a0ad63441 and handles 1column: Please correct the XML data and try again.  [] []
[2016-12-01 00:35:30] main.CRITICAL: Broken reference: the 'catalog.compare.sidebar' element cannot be added as child to 'sidebar.additional', because the latter doesn't exist [] []
[2016-12-01 00:35:30] main.CRITICAL: Broken reference: the 'sale.reorder.sidebar' element cannot be added as child to 'sidebar.additional', because the latter doesn't exist [] []
[2016-12-01 00:35:30] main.CRITICAL: Broken reference: the 'wishlist_sidebar' element cannot be added as child to 'sidebar.additional', because the latter doesn't exist [] []
[2016-12-01 00:35:30] main.CRITICAL: Broken reference: the 'paypal.partner.right.logo' element cannot be added as child to 'sidebar.additional', because the latter doesn't exist [] []
[2016-12-01 00:35:30] main.CRITICAL: Broken reference: the 'bml.right.logo' element cannot be added as child to 'sidebar.additional', because the latter doesn't exist [] []
[2016-12-01 00:35:31] main.INFO: Cache file with merged layout: LAYOUT_frontend_STORE1_26f1b068ec7ccf4878f9284dd1137afd1 and handles catalog_product_prices: Please correct the XML data and try again.  [] []
[2016-12-01 01:11:38] main.INFO: Cache file with merged layout: LAYOUT_frontend_STORE1_2c7461af04bb11fe209659d7147d2c579 and handles default, cms_index_index, cms_page_view, cms_index_index_id_home: Please correct the XML data and try again.  [] []
[2016-12-01 01:11:38] main.INFO: Cache file with merged layout: LAYOUT_frontend_STORE1_20a98983867a1770682b48d9a0ad63441 and handles 1column: Please correct the XML data and try again.  [] []
[2016-12-01 01:11:38] main.CRITICAL: Broken reference: the 'catalog.compare.sidebar' element cannot be added as child to 'sidebar.additional', because the latter doesn't exist [] []
[2016-12-01 01:11:38] main.CRITICAL: Broken reference: the 'sale.reorder.sidebar' element cannot be added as child to 'sidebar.additional', because the latter doesn't exist [] []
[2016-12-01 01:11:38] main.CRITICAL: Broken reference: the 'wishlist_sidebar' element cannot be added as child to 'sidebar.additional', because the latter doesn't exist [] []
[2016-12-01 01:11:38] main.CRITICAL: Broken reference: the 'paypal.partner.right.logo' element cannot be added as child to 'sidebar.additional', because the latter doesn't exist [] []
[2016-12-01 01:11:38] main.CRITICAL: Broken reference: the 'bml.right.logo' element cannot be added as child to 'sidebar.additional', because the latter doesn't exist [] []
[2016-12-01 01:11:39] main.INFO: Cache file with merged layout: LAYOUT_frontend_STORE1_26f1b068ec7ccf4878f9284dd1137afd1 and handles catalog_product_prices: Please correct the XML data and try again.  [] []

[SchumacherFM]

We have the same problems since M2.0.0

The customer is really annoyed about polluting the log file.

I think Magento will fix this in over a year as their response is usually more than slow.

[miakusha]

Closed as duplicate #5627