Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cad2627e171ce5debc80f66a0a8ef7a477a127f49986422b4958486a148ceddb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^