将Twilio Verify集成Azure AD B2C时自定义策略上传报错求助

操作步骤 #

• 步骤1：已成功上传文件并完成基础策略（SignUpOrSignin.xml和TrustFrameworkExtensions.xml）的所有必要调整。
• 步骤2：完成自定义策略的必要修改后，已成功上传StepUpPSD2文件。
• 步骤3：上传SignUpSignin自定义策略时出现错误。

错误信息 #

Validation failed: 3 validation error(s) found in policy "B2C_1A_PSD2EXTENSIONS" of tenant "ifitech2bc.onmicrosoft.com".
User journey 'SignUpOrSignIn' in policy 'B2C_1A_PSD2Extensions' of tenant 'ifitech2bc.onmicrosoft.com' has 2 sendClaims steps. 
Please specify a DefaultCpimIssuerTechnicalProfileReferenceId attribute set to the default issuer technical profile reference id.User journey "SignUpOrSignIn" in policy "B2C_1A_PSD2Extensions" of tenant "ifitech2bc.onmicrosoft.com" has step 4 with 2 claims exchanges. It must be preceded by a claims provider selection in order to determine which claims exchange can be used.User journey "SignUpOrSignIn" in policy "B2C_1A_PSD2Extensions" of tenant "ifitech2bc.onmicrosoft.com" has step 5 with 2 claims exchanges. It must be preceded by a claims provider selection in order to determine which claims exchange can be used.
User journey 'SignUpOrSignIn' in policy 'B2C_1A_PSD2Extensions' of tenant 'ifitech2bc.onmicrosoft.com' has 2 sendClaims steps. 
Please specify a DefaultCpimIssuerTechnicalProfileReferenceId attribute set to the default issuer technical profile reference id.User journey "SignUpOrSignIn" in policy "B2C_1A_PSD2Extensions" of tenant "ifitech2bc.onmicrosoft.com" has step 4 with 2 claims exchanges. 
It must be preceded by a claims provider selection in order to determine which claims exchange can be used.
User journey "SignUpOrSignIn" in policy "B2C_1A_PSD2Extensions" of tenant "ifitech2bc.onmicrosoft.com" has step 5 with 2 claims exchanges. 
It must be preceded by a claims provider selection in order to determine which claims exchange can be used.

也请查看截图中的详细错误信息。

已尝试对文件进行各种可能的修改并重新上传，但问题仍未解决。需求是将Twilio Verify应用集成到Azure Active Directory B2C中。

内容的提问来源于stack exchange，提问作者Neeraj kumar