Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 61ca3f45dcdd511e5970cb235ec07b0b7c1026a64970b589fa813554fdfd7ab0:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^