Flow price: --
954d4493c938ce199309bde9f2147a6ea99f84cafd2da3c6adc9c5fe247fd3b5

Transaction

Hash: 954d4493c938ce199309bde9f2147a6ea99f84cafd2da3c6adc9c5fe247fd3b5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 954d4493c938ce199309bde9f2147a6ea99f84cafd2da3c6adc9c5fe247fd3b5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
954d4493c938ce199309bde9f2147a6ea99f84cafd2da3c6adc9c5fe247fd3b5
Status:
ERROR
Block height:
39965397
Block id:
a0e1f007b96c3c38fb368deb3dbdf5e7f114a5a64c692d87eced34307e216672
Timestamp:
Sunday 30 October 2022 at 03:55:01 UTC
()
Proposer:
Authorizers:
Gas used:
47