Flow price: --
281882051255f7fcd4631f2d83b7e18deb02f20fcc0e957dee8a60d6b4b4f682

Transaction

Hash: 281882051255f7fcd4631f2d83b7e18deb02f20fcc0e957dee8a60d6b4b4f682
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 281882051255f7fcd4631f2d83b7e18deb02f20fcc0e957dee8a60d6b4b4f682:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
281882051255f7fcd4631f2d83b7e18deb02f20fcc0e957dee8a60d6b4b4f682
Status:
ERROR
Block height:
40099173
Block id:
4c1e12cb8eff1ab439cc11f0b6260b5d89b67c4dddc302172fc526554a807ad6
Timestamp:
Tuesday 1 November 2022 at 09:35:14 UTC
()
Proposer:
Authorizers:
Gas used:
48