I'm having the same problem. Since updating to iOS 13.3.1 - I cannot open any projects using pods on a real device, which is super frustring as I was about to launch my first app on the app store. Works fine on simulator. Please help!
dyld: Library not loaded: @rpath/Alamofire.framework/Alamofire
Referenced from: /private/var/containers/Bundle/Application/EFC02A4C-452F-4C38-ADC5-016760D653F8/TEST.app/TEST
Reason: no suitable image found. Did find:
/private/var/containers/Bundle/Application/EFC02A4C-452F-4C38-ADC5-016760D653F8/TEST.app/Frameworks/Alamofire.framework/Alamofire: code signature invalid for '/private/var/containers/Bundle/Application/EFC02A4C-452F-4C38-ADC5-016760D653F8/TEST.app/Frameworks/Alamofire.framework/Alamofire'
/private/var/containers/Bundle/Application/EFC02A4C-452F-4C38-ADC5-016760D653F8/TEST.app/Frameworks/Alamofire.framework/Alamofire: stat() failed with errno=25
/private/var/containers/Bundle/Application/EFC02A4C-452F-4C38-ADC5-016760D653F8/TEST.app/Frameworks/Alamofire.framework/Alamofire: code signature invalid for '/private/var/containers/Bundle/Application/EFC02A4C-452F-4C38-ADC5-016760D653F8/TEST.app/Frameworks/Alamofire.framework/Alamofire'
/private/var/containers/Bundle/Application/EFC02A4C-452F-4C38-ADC5-016760D653F8/TEST.app/Frameworks/Alamofire.framework/Alamofire: stat() failed with errno=1
/private/var/containers/Bundle/Application/EFC02A4C-452F-4C38-ADC5-016760D653F8/TEST.app/Frameworks/Alamofire.framework/Alamofire: code signature invalid for '/private/var/containers/Bundle/Application/EFC02A4C-452F-4C38-ADC5-016760D653F8/TEST.app/Frameworks/Alamofire.framework/Alamofire'
/private/var/containers/Bundle/Application/EFC02A4C-452F-4C38-ADC5-016760D653F8/TEST.app/Frameworks/Alamofire.framework/Alamofire: stat() failed with errno=1
(lldb)