Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3f738c7b9266b0fcfeea7ecbe7ca4ba8400261454645cd29c1d6d6a072c28420:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^