Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ec9c3a44cea352354ae1e9fa0d942351bcc7f6ffc8880e370d8b10b1991cffcd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^