New board missing leash plug

Hello, would really appreciate some help!
I am a total newcomer to surfing and have just bought my first surfboard, the board arrived with the leash plug missing. I contacted the company who sent out a plug but they sent the wrong one and it's too big!! I'm desperate to try my new board tomorrow, is it ok to use the board once without the Leash plug until it arrives? Or will the board be damaged by water getting on the hole where the plug should be?
Thank you for any replies!
I am a total newcomer to surfing and have just bought my first surfboard, the board arrived with the leash plug missing. I contacted the company who sent out a plug but they sent the wrong one and it's too big!! I'm desperate to try my new board tomorrow, is it ok to use the board once without the Leash plug until it arrives? Or will the board be damaged by water getting on the hole where the plug should be?
Thank you for any replies!