Flow price: --
f796a9793efb88fb8419001f9fb0dfd45dc15e2d6fc3dd3a8c29cd6f667f0a38

Transaction

Hash: f796a9793efb88fb8419001f9fb0dfd45dc15e2d6fc3dd3a8c29cd6f667f0a38
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f796a9793efb88fb8419001f9fb0dfd45dc15e2d6fc3dd3a8c29cd6f667f0a38:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f796a9793efb88fb8419001f9fb0dfd45dc15e2d6fc3dd3a8c29cd6f667f0a38
Status:
ERROR
Block height:
39975970
Block id:
c8aaacba206a729e16630316d057b70b3c09b41059a22951dae1d81cf7214be4
Timestamp:
Sunday 30 October 2022 at 08:09:26 UTC
()
Proposer:
Authorizers:
Gas used:
46