a. Comment out enableProdMode() in main.ts to see detailed error messages.

b. Check where Bs is injected and ensure it is added to the providers array.

c. If Bs is part of a third-party library, import and configure the required module.

d. Verify platform-specific configurations for isPlatform('android') are valid.

e. Enable source maps in angular.json by setting "sourceMap": true under build > options.

f. Ensure Ionic and Angular versions in package.json are compatible.

g. Use npm outdated to identify version mismatches or required updates.

h.Rebuild the project and debug using Chrome DevTools via chrome://inspect/#devices