Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0640dadcd5459170d341dc798fd85f1f1fc83e5f49c3f0bd4b7c975e25d1f47f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^