Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 42c4eb9645d3594823f4f23da83db87cb9b6cbdce3bfd71e320b4e25a0fd57cc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^