Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fc37ea92671eedd64e6ca6401967a998611d5bfc25ff5d0b88624379fd88078c:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^