Flow price: --
28ac4158753bf7243dc9828133aa6cb43abe93077771a8a9c7d669c37d437ade

Transaction

Hash: 28ac4158753bf7243dc9828133aa6cb43abe93077771a8a9c7d669c37d437ade
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 28ac4158753bf7243dc9828133aa6cb43abe93077771a8a9c7d669c37d437ade: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:
28ac4158753bf7243dc9828133aa6cb43abe93077771a8a9c7d669c37d437ade
Status:
ERROR
Block height:
40139406
Block id:
6fdae008cfd792945d4bf24e0e74dc4061f28ab1179b0a1799e5eaf976f68184
Timestamp:
Wednesday 2 November 2022 at 01:56:02 UTC
()
Proposer:
Authorizers:
Gas used:
50