Flow price: --
8a948bcfcbb4051d2f9609289a2284d74730673f35fed21c2385121e63b187b4

Transaction

Hash: 8a948bcfcbb4051d2f9609289a2284d74730673f35fed21c2385121e63b187b4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8a948bcfcbb4051d2f9609289a2284d74730673f35fed21c2385121e63b187b4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
8a948bcfcbb4051d2f9609289a2284d74730673f35fed21c2385121e63b187b4
Status:
ERROR
Block height:
39898051
Block id:
2564ffc7ea9679dbfe25b580a41aa5ac9c188e82eea0efc76971837075b22a73
Timestamp:
Saturday 29 October 2022 at 00:59:28 UTC
()
Proposer:
Authorizers:
Gas used:
46