Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c5ea50963aae2ecb096dea9318a34a0ae4adde5eec487136d91691d0f54e12bc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^