How fit the following issue?

[prismatec]

Hello, I get the following Notice that I would like to resolve:

 

[Thu Jan 19 02:20:50 2017] [error] [client 177.200.86.190] PHP Notice:  Trying to get property of non-object in /home/davimaci/public_html/prismatec.com/tools/smarty/sysplugins/smarty_internal_templatebase.php(157) : eval()'d code on line 35

[Thu Jan 19 02:20:50 2017] [error] [client 177.200.86.190] PHP Notice:  Undefined index: id_shop in /home/davimaci/public_html/prismatec.com/tools/smarty/sysplugins/smarty_internal_templatebase.php(157) : eval()'d code on line 35

[Thu Jan 19 02:20:50 2017] [error] [client 177.200.86.190] PHP Notice:  Trying to get property of non-object in /home/davimaci/public_html/prismatec.com/tools/smarty/sysplugins/smarty_internal_templatebase.php(157) : eval()'d code on line 34

[Thu Jan 19 02:20:50 2017] [error] [client 177.200.86.190] PHP Notice:  Undefined index: id_lang in /home/davimaci/public_html/prismatec.com/tools/smarty/sysplugins/smarty_internal_templatebase.php(157) : eval()'d code on line 34

[Thu Jan 19 02:20:50 2017] [error] [client 177.200.86.190] PHP Notice:  Trying to get property of non-object in /home/davimaci/public_html/prismatec.com/tools/smarty/sysplugins/smarty_internal_templatebase.php(157) : eval()'d code on line 33

[Thu Jan 19 02:20:50 2017] [error] [client 177.200.86.190] PHP Notice:  Undefined index: id_product in /home/davimaci/public_html/prismatec.com/tools/smarty/sysplugins/smarty_internal_templatebase.php(157) : eval()'d code on line 33

[vekia]

hello

where you see these notifications? while you browse website? if so, only on specific pages or everywhere?