Flow price: --
aa92d24b0a90c18ab3c7685926707a8cf6bc58bde77e811a86e99e6eca199f97

Transaction

Hash: aa92d24b0a90c18ab3c7685926707a8cf6bc58bde77e811a86e99e6eca199f97
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> aa92d24b0a90c18ab3c7685926707a8cf6bc58bde77e811a86e99e6eca199f97:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
aa92d24b0a90c18ab3c7685926707a8cf6bc58bde77e811a86e99e6eca199f97
Status:
ERROR
Block height:
40107954
Block id:
aeffc89ee4476fc56ea87be39d643e4c660a03ea1c4c542d8d719bc6eca95495
Timestamp:
Tuesday 1 November 2022 at 13:08:08 UTC
()
Proposer:
Authorizers:
Gas used:
46