Flow price: --
c21f41bc0491419e17c440014eccf99a9cafa39981d5fbc2c3ee36ef1f5c3e7b

Transaction

Hash: c21f41bc0491419e17c440014eccf99a9cafa39981d5fbc2c3ee36ef1f5c3e7b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c21f41bc0491419e17c440014eccf99a9cafa39981d5fbc2c3ee36ef1f5c3e7b: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:
c21f41bc0491419e17c440014eccf99a9cafa39981d5fbc2c3ee36ef1f5c3e7b
Status:
ERROR
Block height:
39836813
Block id:
e1c2532dbe3c6fe8dd603ffdca8d773bb6e28e49e4291e41e8602c3dce238c35
Timestamp:
Friday 28 October 2022 at 00:27:36 UTC
()
Proposer:
Authorizers:
Gas used:
46