Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c2e7198a63d9be92c824a4e875b44243230a455fc34ab90cb1cf583c1e6336fa:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^