Is there any difference between errors&omissions clause extension given under property insurance and E&O Liabilty cover ?

Under Property and also General liability insurance , the error and omissions extension is a clause provided under the policy which states that the insured shall not be prejudiced by an unintentional error or omission in reporting updates  to insurer , or by unintentionally providing incorrect values and descriptions of the risk, 

On the other hand, the Error and Omissions policy ( which is a separate policy by itself) is  a professional liability / indemnity policy, it covers the insured against claims that may arise out of professional services provided by the insured within the insured's scope of work and as per policy terms and conditions.