Flow price: --
245b03b5d857603a559b6c201c734f0671eac882c1aee995990e7d53a72ce5ff

Transaction

Hash: 245b03b5d857603a559b6c201c734f0671eac882c1aee995990e7d53a72ce5ff
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 245b03b5d857603a559b6c201c734f0671eac882c1aee995990e7d53a72ce5ff: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:
245b03b5d857603a559b6c201c734f0671eac882c1aee995990e7d53a72ce5ff
Status:
ERROR
Block height:
39971357
Block id:
cf982d84a0325cb5cbd2c5d4c64bba872bb064d8a4e5a16f0e0ffbc7f775da2f
Timestamp:
Sunday 30 October 2022 at 06:18:23 UTC
()
Proposer:
Authorizers:
Gas used:
50