Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6857170fb1adfa92933bc149e9431c0fa631c0471b20bcb209c4be290eb07ef9:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^