Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 30221ea60e6db2becf8598090ed8ce8da42eb6b169e6923a274454a68fc35132:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^