On April 30, 2024, the creation of hotel campaigns with COMMISSION BiddingStrategyError.BIDDING_STRATEGY_NOT_SUPPORTED COMMISSION 
We suggest that travel advertisers with Hotel campaigns and Things to do Ads migrate to the Target ROAS (TARGET_ROAS)  auto bidding strategy. You can find more information about the tROAS in our Help Center article. 
If you have any questions or concerns, please don't hesitate to contact us in the forum .
Daniel Rodriguez, the Google Ads API Team