Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 213f00bedddfddba0ba3e832595ce6385db14bfc4bba5d034efe47b21347ea15:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^