Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ecf11097bb5618318a6480ac420433e86c23f3dc0c488e43d58ab17b2d1dd665:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^