Flow price: --
d7cba7d8f5d9decfe70e7e5dacfa86910c41d596c655949f2e9b24565794b3c5

Transaction

Hash: d7cba7d8f5d9decfe70e7e5dacfa86910c41d596c655949f2e9b24565794b3c5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d7cba7d8f5d9decfe70e7e5dacfa86910c41d596c655949f2e9b24565794b3c5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d7cba7d8f5d9decfe70e7e5dacfa86910c41d596c655949f2e9b24565794b3c5
Status:
ERROR
Block height:
40048356
Block id:
b3624ee067038aecfeedb1d813baf357f3e03dc79072f1fc7b107d290b24c909
Timestamp:
Monday 31 October 2022 at 13:06:30 UTC
()
Proposer:
Authorizers:
Gas used:
46