Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 58bd78b80bf54199a2c34e989037d04cf8d224b89af8af6bcd6ad8e274b366de:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^