Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8d1fef81f722971b009346f15a90e30119dbecf5e75ff3298be3d95f62d2549d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^