Flow price: --
b008bad08c2a214a674159eb4226f13b2bc8ad5cb36bd786f000840638e68f3c

Transaction

Hash: b008bad08c2a214a674159eb4226f13b2bc8ad5cb36bd786f000840638e68f3c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b008bad08c2a214a674159eb4226f13b2bc8ad5cb36bd786f000840638e68f3c: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:
b008bad08c2a214a674159eb4226f13b2bc8ad5cb36bd786f000840638e68f3c
Status:
ERROR
Block height:
40028063
Block id:
74f2ad2357d26c53fd5da8404935a135e0dd11351cc7a7abc3549844356fb158
Timestamp:
Monday 31 October 2022 at 04:56:08 UTC
()
Proposer:
Authorizers:
Gas used:
50