Flow price: --
f5d929e4b168cea1736c6c539a69004a613a3b291e28a8c59a9e56890c2c991c

Transaction

Hash: f5d929e4b168cea1736c6c539a69004a613a3b291e28a8c59a9e56890c2c991c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f5d929e4b168cea1736c6c539a69004a613a3b291e28a8c59a9e56890c2c991c: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:
f5d929e4b168cea1736c6c539a69004a613a3b291e28a8c59a9e56890c2c991c
Status:
ERROR
Block height:
39803751
Block id:
cf6b7c85a2d75450c7f2a6f68a15b8c6ee303810286fa3376ce2274357b193e1
Timestamp:
Thursday 27 October 2022 at 11:05:24 UTC
()
Proposer:
Authorizers:
Gas used:
47