Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cc28b366350906e14602213ea238e36574e00495bc04ad0f3d1dc26f749178da:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^