Flow price: --
99793bdbbf47534108a4afcc57425b2c5c8f6e98d030c0a2bff663fe91c1063c

Transaction

Hash: 99793bdbbf47534108a4afcc57425b2c5c8f6e98d030c0a2bff663fe91c1063c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 99793bdbbf47534108a4afcc57425b2c5c8f6e98d030c0a2bff663fe91c1063c: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:
99793bdbbf47534108a4afcc57425b2c5c8f6e98d030c0a2bff663fe91c1063c
Status:
ERROR
Block height:
40064171
Block id:
7790b53c0548b4dc930547b3c81f16601a802f300e1853dfaabd8ece232baa88
Timestamp:
Monday 31 October 2022 at 19:30:48 UTC
()
Proposer:
Authorizers:
Gas used:
47