Need solution to resolve the error getting in keil uvision 5.25 set up

Hi to all team members, I am using Wis trio Lora tracker RAK5205 board with STM32L1 ARM Cortex m3 low power microcontroller for development purpose. I have install latest Keil uvision 5.25 and also...
Regards Linker Error L6050U:

In my project, I am using LPC2378,keil uV 4,In LPC2378 capable of 512KB Code size,my project have three file, my problem is at the time of build my code linker error occur that is " signal card.axf:...
STM32L151CB USB driver does not work on WIN 8

Hi All, STM32L151CB works as USB Mass storage device using USB driver from Keil " STM32_USBMEM.ZIP " It works well on Win XP, but it fails on Win 8. Anyone can advice me. Thanks.
Keil uVision5　PRO Error

Error #541: '::Graphics:Display' API is missing, pack 'Keil.MDK-Middleware.5.1.2' is not installed Error #541: '::Drivers:I2C' API is missing, pack 'Keil.MDK-Middleware.5.0.2' is not installed Error #541...
Keil uVision Error L6218E: Undefined Symbol APBPrescTable (referred from stm32f4xx_hal_rcc.o)

I'm new to uVision for a University project and since trying to get my code to build on my PC at home I get this error with any code I try to compile. Anyone know any way to fix this? I've been racking...