Ardunio Script does not find new installed Lib

Hi
I installed the Adafruit_SI5351.h Lib from the PlatformIO Lib Manger and
PlatformIO tells me src\main.cpp:24:31: fatal error: LiquidCrystal_I2C.h: No such file or directory
I don’t understand this
https://docs.platformio.org/en/latest/librarymanager/ldf.html#ldf
my Lib was installed in this path.
C:\Users\ats37.platformio\lib\Adafruit Si5351 Library_ID500

When I open and Close PlatformIO a couple of time it works that sucks a lot.
Have a merry Cristmas

Adding lib_deps = LiquidCrystal_I2C to the platformio.ini does not help? Installing libs globally is ok, but the project should best state its dependencies for re-useablility on other computers.

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Now it work ThX Have a merry Christmas

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