Question about Lenovo Thinkpad Dock G2

Good day to you all, I have a Yoga X1 4 Gen and bought a docking station. The power supply has 135w. Now, when I start it up, it always says that the power supply is too weak and that I should connect the correct power supply. The original power supply has 65w. The Yoga also does not charge completely via the Thunderbolt of the docking station. I.e. the display shows that the notebook is connected to the mains, but the battery level gets lower and lower until, although connected to the mains, it is so low that I have to connect the original mains adapter. I already had an X1 Carbon and the same drama. Maybe someone can help me, otherwise the thing has to go back. BIOS and other updates all done. Thanks and best regards Bernhard