Hi guys, I have a question, I have these warnings on the log, I don’t understand what it means
[2017-06-16 11:40:18,924] [WARNING] console-logger: Empty string passed to getElementById(). (1) in chrome://global/content/bindings/richlistbox.xml:361
[2017-06-16 11:40:18,926] [WARNING] console-logger: Empty string passed to getElementById(). (1) in chrome://global/content/bindings/richlistbox.xml:366
[2017-06-16 11:40:19,109] [WARNING] console-logger: Empty string passed to getElementById(). (1) in chrome://global/content/bindings/richlistbox.xml:361
[2017-06-16 11:40:19,111] [WARNING] console-logger: Empty string passed to getElementById(). (1) in chrome://global/content/bindings/richlistbox.xml:366
[2017-06-16 11:40:19,523] [WARNING] console-logger: Empty string passed to getElementById(). (1) in chrome://global/content/bindings/richlistbox.xml:361
[2017-06-16 11:40:19,523] [WARNING] console-logger: Empty string passed to getElementById(). (1) in chrome://global/content/bindings/richlistbox.xml:366
[2017-06-16 11:40:19,630] [WARNING] console-logger: Empty string passed to getElementById(). (1) in chrome://global/content/bindings/richlistbox.xml:361
[2017-06-16 11:40:19,631] [WARNING] console-logger: Empty string passed to getElementById(). (1) in chrome://global/content/bindings/richlistbox.xml:366
[2017-06-16 11:52:35,250] [WARNING] console-logger: Empty string passed to getElementById(). (1) in chrome://global/content/bindings/richlistbox.xml:361
[2017-06-16 11:52:35,252] [WARNING] console-logger: Empty string passed to getElementById(). (1) in chrome://global/content/bindings/richlistbox.xml:366
[2017-06-16 11:52:35,388] [WARNING] console-logger: Empty string passed to getElementById(). (1) in chrome://global/content/bindings/richlistbox.xml:361
[2017-06-16 11:52:35,390] [WARNING] console-logger: Empty string passed to getElementById(). (1) in chrome://global/content/bindings/richlistbox.xml:366
[2017-06-16 11:52:35,821] [WARNING] console-logger: Empty string passed to getElementById(). (1) in chrome://global/content/bindings/richlistbox.xml:361
[2017-06-16 11:52:35,822] [WARNING] console-logger: Empty string passed to getElementById(). (1) in chrome://global/content/bindings/richlistbox.xml:366
[2017-06-16 11:52:35,923] [WARNING] console-logger: Empty string passed to getElementById(). (1) in chrome://global/content/bindings/richlistbox.xml:361
[2017-06-16 11:52:35,924] [WARNING] console-logger: Empty string passed to getElementById(). (1) in chrome://global/content/bindings/richlistbox.xml:366
What they mean? there is any way to avoid them?
thank you!