Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 640e45bd57d668d9d43f89976a081833b6369b81c7027a3fed8b02da377dfed9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^