Flow price: --
dbb2f2eac3614f714be8ffd5a61eda86a337d134a8e4dee5eb04eea2cc713dd2

Transaction

Hash: dbb2f2eac3614f714be8ffd5a61eda86a337d134a8e4dee5eb04eea2cc713dd2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> dbb2f2eac3614f714be8ffd5a61eda86a337d134a8e4dee5eb04eea2cc713dd2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
dbb2f2eac3614f714be8ffd5a61eda86a337d134a8e4dee5eb04eea2cc713dd2
Status:
ERROR
Block height:
39913166
Block id:
4e601404b6273777c61cfd80d4d9d15d3b07e83b56c7a197f31c02cf6400bd9d
Timestamp:
Saturday 29 October 2022 at 07:02:16 UTC
()
Proposer:
Authorizers:
Gas used:
47