Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> dce51e019316af1cb96cf505929c9fd1dc19f76ba6f89b1896d0a8925373c9a2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^