- fixed: "StaleElementReferenceException: Message: stale element reference: elem…

…ent is not attached to the page document" error

@@ -320,7 +320,10 @@ wait until popup is visible
 
     ${popup_locator_is_none} =                                  get variable is none  ${popup_locator}
     ${popup_locator} =                                          set variable if  ${popup_locator_is_none} == ${False}  ${popup_locator}  ${popup_opened_content_locator}
-    wait until element is visible                               ${popup_locator}  ${waiting_timeout}  ${waiting_error}
+    ${status} =                                                 run keyword and return status  wait until element is visible  ${popup_locator}  ${waiting_timeout}  ${waiting_error}
+    # trying to prevent "StaleElementReferenceException: Message: stale element reference: element is not attached to the page document" error
+    run keyword if                                              ${status} == ${False}  sleep  1
+    run keyword if                                              ${status} == ${False}  wait until element is visible  ${popup_locator}  1  ${waiting_error}
 
 wait until alert is visible
     [Arguments]                                                 ${message}=${None}