Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c4bf23a70ad57e6f1e73a9544a485114f3f133fd05851bd60fc48b8f93c5bd32:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^