Flow price: --
1615442b79845c312af160a6bab146c9ed7962b56177724f13f582d44cb60b77

Transaction

Hash: 1615442b79845c312af160a6bab146c9ed7962b56177724f13f582d44cb60b77
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1615442b79845c312af160a6bab146c9ed7962b56177724f13f582d44cb60b77:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1615442b79845c312af160a6bab146c9ed7962b56177724f13f582d44cb60b77
Status:
ERROR
Block height:
40131159
Block id:
8d5551a208e3800de5eeb0260fbf8176641ac12445c4eabbfa1e76a5b16b6be1
Timestamp:
Tuesday 1 November 2022 at 22:35:06 UTC
()
Proposer:
Authorizers:
Gas used:
48