Hello Sai, 

Thanks for posting your query in PSC :)

• https://pdn.pega.com/community/pega-product-support/question/does-not-exist-use-recordvalidate >> Here, it mentions that the cause could be due to pre-requisite.
• https://pdn.pega.com/community/pega-product-support/question/section-xyz-does-not-exist-use-recrd >> Try to revalidate and save the section

Also, verify below:

1. Check the applies to class of section XYZ exists in inheritance path ofyour validate rule
2. Check the RUleset version of secetion XYZ is in your profile list
3. Check availability of the section XYZ is yes

• https://pdn.pega.com/support-articles/rule-does-not-exist-use-record >> Verify if the section uses any custom UI control. If yes, remove and add control again in the section.

Hope this helps.

Regards,

Rincy

Hi Sai,

As per the attachment placed portal.png the AccpetOffer and MenuExample rules doesn't exists or not available in the inheritance of Data-Portal. 

Please check whether those rules created in the correct class of Data-Portal