Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 15bd2fd8893e411188f22bed802db12cfe9899f9d98844c71aa58dee8907e21a:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^