Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 638408276ae62d71df3bc61a3f75f8fff3f1ecb67fd33677ce12a855bf959cc1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^