Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 97631094d6945b41d47abcfe4bde077c25ae52436f407f8280c301dbf862c4cb:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^