Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3017ca6452031a0348d0d2094d052e7b833ae8724f8bf51792999fc123d2e72c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^