Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1fdf3e570e8a495004bef41f08a08cb6e26d94e767510adca93cfb5e71caee7d:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^