I agree with @SjorsK that it should self resolve.
If it does not then try an alternative new Samsung charger.
Finally a Samsung Service Centre can help too.
I hope it clears up for you @Stacey88 so you can get back to using your phone by charging it.
Current Phone ~
Samsung Note 20 Ultra 5G SM-N9860_256Gb SnapDragon 865+
Samsung One Ui 3.1/ Android 11.