Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 50b71918e15a2dfe03d90a9f7a75f25943e2de3e9e73cc616520e066aacfeb0c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^