Fixed: How To Fix Range A1. Select Error 400 Posted on January 26, 2022January 28, 2022 by Only admnistrator owned posts can execute the [includeme] shortcode. This message is shown only to administrators. The Excel 400 error is due to Microsoft Excel not starting or crashing. Related posts: Hardware Removal And Troubleshooting Steps Basic Error HTML Undefined Simple Solution Suggestions For Fixing The Wdmaud.sys Error FIX: Win7 Vpn Error 720 activecell offset class failed end xldown excel macros global failed macros object global failed paste pastespecial pastespecial method run time runtime error 1004 method range selection autofill destination vba selection visual basic worksheet English