Flow price: --
b6fc9a85974d42d0a209d5269ad5156e168336dfdefc8eff7429bfe5f9bd7348

Transaction

Hash: b6fc9a85974d42d0a209d5269ad5156e168336dfdefc8eff7429bfe5f9bd7348
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b6fc9a85974d42d0a209d5269ad5156e168336dfdefc8eff7429bfe5f9bd7348:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b6fc9a85974d42d0a209d5269ad5156e168336dfdefc8eff7429bfe5f9bd7348
Status:
ERROR
Block height:
39980568
Block id:
11cc45db90dc6fea1f7109db1b67b3362a0af4858a452b4fecf0f4e41f106922
Timestamp:
Sunday 30 October 2022 at 09:59:08 UTC
()
Proposer:
Authorizers:
Gas used:
49