Flow price: --
4973a9171a51e0a492ee3bef94e6843c56a84e3f34d0b58d469efe61d965d125

Transaction

Hash: 4973a9171a51e0a492ee3bef94e6843c56a84e3f34d0b58d469efe61d965d125
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4973a9171a51e0a492ee3bef94e6843c56a84e3f34d0b58d469efe61d965d125:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4973a9171a51e0a492ee3bef94e6843c56a84e3f34d0b58d469efe61d965d125
Status:
ERROR
Block height:
40101698
Block id:
bb63521c684b2f836a29395c2476f2e5145a33aa5dca1fbac615f833cf1c5f4b
Timestamp:
Tuesday 1 November 2022 at 10:36:14 UTC
()
Proposer:
Authorizers:
Gas used:
51