Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 319ace7247574cffd13b708dd9258e8c5dac6722212affa2c8b6d3e6bcd27f77:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^