Unknown error not able to understand - wkhtmltoimage exited with non-zero code -9. error:

[ABHISHEK-KEDAR-21]

File "/home/frappe/docker-bench/env/lib/python3.8/site-packages/imgkit/api.py", line 90, in from_string return rtn.to_img(output_path) File "/home/frappe/docker-bench/env/lib/python3.8/site-packages/imgkit/imgkit.py", line 246, in to_img raise IOError("wkhtmltoimage exited with non-zero code {0}. error:\n{1}\n\n{2}".format(exit_code, stderr, xvfb_error)) OSError: wkhtmltoimage exited with non-zero code -9. error: Loading page (1/2) [> ] 0% [======> ] 10% [=========> ] 16% Warning: Failed to load file:///assets/frappe/css/bootstrap.css (ignore) Warning: Failed to load file:///assets/frappe/css/font-awesome.css (ignore) [=========> ] 16% [============> ] 20% [=============> ] 23% [===============> ] 25% [================> ] 28% Warning: Failed to load /files/Limit_Sale.PNG (ignore) [=================> ] 29% [===================> ] 32% Warning: Failed to load /files/pohaa759c5.jpg (ignore) [===================> ] 33% [=====================> ] 35% [======================> ] 37% [========================> ] 40% Warning: Failed to load /files/Oral-B-Shiny-Clean-Med-12+1-@-20.jpg (ignore) [========================> ] 41% [=========================> ] 43% [===========================> ] 45% [===========================> ] 46% [=============================> ] 49% [==============================> ] 51% [===============================> ] 53% [=================================> ] 55% [==================================> ] 57% [===================================> ] 59% [====================================> ] 61% [=====================================> ] 62% [======================================> ] 64% [=======================================> ] 66% [========================================> ] 67% [=========================================> ] 69% [==========================================> ] 71% [===========================================> ] 73% [============================================> ] 74% [=============================================> ] 76% [==============================================> ] 77% Warning: Failed to load /files/Godrej-No1-Sandal-3+1-64.jpg (ignore) [==============================================> ] 78% Warning: Failed to load /files/Patanjali-Shampoo-Aloevera-1 2019-04-15 19:17:49.jpg (ignore) Warning: Failed to load /files/Delivery_Beat_Route_2 2019-05-19 00:45:01.PNG (ignore) [===============================================> ] 79% Warning: Failed to load /files/Untitled_2.png (ignore) [===============================================> ] 79% Warning: Failed to load /files/Godrej-No1-Lime-3+1-64.jpg (ignore) [================================================> ] 81% [=================================================> ] 82% Warning: Failed to load /files/Superia-Naturals-Lemon-and-mint-3+1-@30.jpg (ignore) [=================================================> ] 83% Warning: Failed to load /files/Superia-Naturals-Neem-and-coconut-3+1-@30.jpg (ignore) [===================================================> ] 85% [===================================================> ] 86% [====================================================> ] 87% [====================================================> ] 88% Warning: Failed to load /files/Bundle_test.png (ignore) [====================================================> ] 88% [====================================================> ] 88% [=====================================================> ] 89% [=====================================================> ] 89% Warning: Failed to load /files/Mortein_PG_8hCoil+_ActivCard_Free.png (ignore) [=====================================================> ] 89% [======================================================> ] 90% [======================================================> ] 90% Warning: Failed to load /files/Delivery_Beat_Route_1 2019-05-07 12:50:25.PNG (ignore) [======================================================> ] 90% [======================================================> ] 90% [============================================================] 100% Rendering (2/2)
[> ] 0% [===============> ] 25%

Anyone please help me with this. Used these options:

        options = {

'quality': quality, 'width': width,
'enable-javascript': None, 'enable-local-file-access': None, 'images': None, 'no-stop-slow-scripts': None,

'enable-smart-width': None,

'enable-plugins': None, 'encoding': 'UTF-8', 'disable-smart-width': None, 'load-media-error-handling':'ignore', 'load-error-handling':'ignore' }