Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a89dac3efdb4b029fbfd31c494b1feeef6ca9d1f84206a9ec1c9c6428600e930:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^