Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8f9b66d6f75ccf240afcd356f3f6298248b19ee1abde03770bb777ce2be6d2b1:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^