|=================================================|
|         _ _             _ _     _ _     _ _     |
|       /    /  /|   /  /       /    /  /         |
|      /    /  / |  /  /_ _    /_ _ /  /_ _       |
|     /    /  /  | /       /  /    /       /      |
|    /_ _ /  /   |/   _ _ /  /    /   _ _ /       |
|                                                 |
|-------------------------------------------------|
| Welcome to ONSAS v0.2.7.                        |
| This program comes with ABSOLUTELY NO WARRANTY. |
| Please read the COPYING.txt and README.md files |
|-------------------------------------------------|
| Solving problem:  nonLinearCantileverSD2D
  - Creating directory ./output/ ... done. 
|  - Creating output directory ... done. 
error: The lift CL0 coef function must be defined for VIVBool problems 
error: called from
    assert at line 109 column 11
    frame_fluid_force>integFluidForce at line 280 column 5
    frame_fluid_force at line 192 column 13
    assembler at line 201 column 17
    system_assembler at line 25 column 21
    ONSAS_init at line 86 column 41
    ONSAS at line 22 column 44
    nonLinearAerodynamics at line 104 column 14