Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 52f508e644a65fa0d630cf50db41f2f4c8bcfbfbd9a588f8ab45848bca75a38a:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^