I'm sorry, but an uncaught exception occurred.
While running game code:
File "game/func_action_processing.rpy", line 18, in script call
call interacts (get_char_by_ikey(interact_who))
File "game/func_action_processing.rpy", line 289, in script call
call process_contact_action (char, param)
File "game/func_action_processing.rpy", line 566, in script call
call person_sex1 (char)
File "game/func_interactions.rpy", line 1468, in script call
call expression char.ikey + "_sex1_script"
File "game/chars/char_Sandra.rpy", line 668, in script call
call sandra_sex2g_script
File "game/chars/char_Sandra.rpy", line 698, in script call
call sandra_sex3g_script
File "game/chars/char_Sandra.rpy", line 747, in script call
call sandra_sexG_surprise_script
File "game/chars/char_Sandra.rpy", line 938, in script
by "Careful now...Don't sink."
Exception: Sayer 'by' is not defined.