Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6a6ec406eb8f52ade5e563fe308de6d29c002555ce11e9ea92dfd41293bbbbc8:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^