Trouble loading any code related to LCD

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i have sain smart lcd keypad shield screen , no mater sketch try load fallowing error:  :smiley-confuse:

in file included sketch_dec30d.ino:35:
c:\users\sean\documents\arduino\libraries\liquidcrystal/liquidcrystal.h:86: error: conflicting return type specified 'virtual void liquidcrystal::write(uint8_t)'
c:\program files (x86)\arduino\hardware\arduino\cores\arduino/print.h:48: error:   overriding 'virtual size_t print::write(uint8_t)'

hi sean.



looks ide has troubles library trying use.

what ide using, newest ide isn't best choice.
did install library in correct way (how did install ?) ?
which library using ?
there's multiple lcd libs same name, point source.


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