Flow price: --
78d9c3acc35f18a19a3b96a948ef30bf69b4dcf11b35e6e21bb837ec91ec54fb

Transaction

Hash: 78d9c3acc35f18a19a3b96a948ef30bf69b4dcf11b35e6e21bb837ec91ec54fb
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 78d9c3acc35f18a19a3b96a948ef30bf69b4dcf11b35e6e21bb837ec91ec54fb: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:
78d9c3acc35f18a19a3b96a948ef30bf69b4dcf11b35e6e21bb837ec91ec54fb
Status:
ERROR
Block height:
39942680
Block id:
a5d5773ee113ffdb46ad2aa4eb738c42fe0848af7ad0ca295027ffe8c44e7df9
Timestamp:
Saturday 29 October 2022 at 18:55:59 UTC
()
Proposer:
Authorizers:
Gas used:
46