Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f87c917f4a8180dbee05b2084f3798bf8cf6583189c10e073d1a96e23f0cb7f0:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^