Flow price: --
169aa79940e1ca54a85998dd9ce5ee45980055294f88a41a5ce1376dc40e8706

Transaction

Hash: 169aa79940e1ca54a85998dd9ce5ee45980055294f88a41a5ce1376dc40e8706
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 169aa79940e1ca54a85998dd9ce5ee45980055294f88a41a5ce1376dc40e8706:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
169aa79940e1ca54a85998dd9ce5ee45980055294f88a41a5ce1376dc40e8706
Status:
ERROR
Block height:
39991942
Block id:
9c885baad53f6544e52ba011453032147578185678a61093267030950b597f5c
Timestamp:
Sunday 30 October 2022 at 14:32:08 UTC
()
Proposer:
Authorizers:
Gas used:
50