Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1f92b938241138d8d335be49663cf76b27a63adddd163ea6cfbd6275b908cce1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^