Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 78dba45b5944e8480a08207472fdc9a629b9c486b0b6ea26695b5c594b7cf1f3:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^