Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3f72b0136f4a4ea687f07ade6c660ce7fdb447db26f3697eb7dbf742ec30c688:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^