unhandled internal error

[logorithm360]

Version Information

• Vyper Version (output of vyper --version): x.x.x
• OS: Linux
• Python Version (output of python --version): x.x.x

What's your issue about?

Error Output

## Error compiling: morning_contract.vy  
---AttributeError: type object 'StringT' has no attribute 'typ'

---During handling of the above exception, another exception occurred:

---vyper.exceptions.CompilerPanic: unhandled exception type object 'StringT' has no attribute 'typ'

 - contract "morning_contract.vy:11", line 11:0 
       10
  ---> 11 message_store: String[String[1000]]
  --------^
       12
##This is an unhandled internal compiler error. Please create an issue on Github to notify the developers!  
##https://github.com/vyperlang/vyper/issues/new?template=bug.md

Command Run

vyper morning_contract.vy

Problematic Code

# pragma version ^0.4.0
# @license MIT

## struct for user info
user_info: HashMap[String[50], uint256]

struct User:
    name: String[50]
    message: String[100]

message_store: String[100][5] # store messages in a list of strings

## initializing the contract
@deploy
def __init__(_name: String[60], message: String[100], message_store: String[10][5], user_info: HashMap(String[50], uint256)):
    """
    Constructor to initialize the contract with a user's name and message.
    """
    self.person: User = User(
        name= _name,
        message = message
    )
    self.message_store = message_store
    self.user_info = user_info
    self.user_info[_name] = 0  # Initialize user info with zero messages

Verbose Output

vyper.exceptions.VyperException: Compilation failed with the following errors:

StructureException: arrays of String[10] are not allowed!

  contract "morning_contract.vy:15", line 15:0 
       14 @deploy
  ---> 15 def __init__(_name: String[60], message: String[100], message_store: String[10][5], user_info: HashMap(String[50], uint256)):
  --------^
       16     """


StructureException: arrays of String[100] are not allowed!

  contract "morning_contract.vy:11", line 11:0 
       10
  ---> 11 message_store: String[100][5] # store messages in a list of strings
  --------^
       12

How can it be fixed?

I don't know yet - can you help fixing it?