Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b70c0968281e93968aa080162c64b29f9a9cbae549c73537348b376e3ce1c74e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^