Both logfiles are showing that there is no configuration ‘transport select’ for OpenOCD.
I was wondering whether a local config script (bla.cfg) at all exists in your run/debug config.
Maybe this has nothing to do with the error and can work with defaults.
I my logfiles I can find (below “Programming Started”) a line like this:
Info : STM32L4xx flash size is 256kb, base address is 0x8000000
How is the FLASH ORIGIN (base address) configured in your linker script (bla.ld) ?
What are the last lines (below Building target: ... Invoking: MCU GCC Linker) from the building console in your broken project?