Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 18f83d3ea9ffa2015f818332c7f30aa7eb2c411dd5e1a50a0252111c4d61ceb6:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^