Unable to Filter Email on the basis of To recipients in MS Graph Get Mail Activity

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Error

Hi,
while I am using below query :
toRecipients eq ‘abc@nnip.com’"

message": "Error while reading email from mailbox and Folder ‘Inbox’. Exception Message : Code: BadRequest\r\nMessage: Invalid filter clause\r\nInner error:\r\n\tAdditionalData:\r\n\tdate: 2021-06-04T05:01:29\r\n\trequest-id: b50eada7-4c0f-4204-b11a-18586b28f613\r\n\tclient-request-id: b50eada7-4c0f-4204-b11a-18586b28f613\r\nClientRequestId: