Handling HTTP Errors in Power Query and Power BI Unipro2013main 4 years ago LOS ANGELES, CA - FEBRUARY 08: Recording artists Jay-Z (L) and Beyonce during The 57th Annual GRAMMY Awards at the STAPLES Center on February 8, 2015 in Los Angeles, California. (Photo by Lester Cohen/WireImage) Excel Tips & Tricks Create your own custom error messages to help users know how to troubleshoot and fix errors returned when scraping data from the web with Power Query in Excel or Power BI. Credit MyOnlineTrainingHub