Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0a79b2b66c272e9c708ba9595aebf9a3aa020f64058c641bd6aac99891479f8f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^