Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4dfbc75799c8f08660dca13cee215209bb8a14bfeca02bcde58c677fc8925e1c:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^