I am trying to georeference a .png file. After inserting all the data I get the following error
"Transform Failed: Failed to compute GCP transform: Transform is not solvable."
What can be the problem?
gdal_translate -of GTiff -gcp 324.814 728.712 11.3582 43.5428 -gcp 354.101 637.672 11.3582 45.5428 -gcp 476.351 216.605 11.3586 43.5427 -gcp 518.207 168.548 11.3585 43.5426 -gcp 342.315 362.074 11.3585 43.5428 "C:/Giulio_files/Documenti/University/PhD/PhD Thesis/Data/02_Aerial photos/frattaglie.png" "C:/Users/Giulio/AppData/Local/Temp/frattaglie.png"
gdalwarp -r near -tps -co COMPRESS=NONE "C:/Users/Giulio/AppData/Local/Temp/frattaglie.png" "C:/Giulio_files/Documenti/University/PhD/PhD Thesis/Data/02_Aerial photos/frattaglie_modified.tif"